diff --git a/Cargo.lock b/Cargo.lock
index d962494..17fcffb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6,12 +6,6 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2692800d602527d2b8fea50036119c37df74ab565b10e285706a3dcec0ec3e16"
 
-[[package]]
-name = "antidote"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34fde25430d87a9388dadbe6e34d7f72a462c8b43ac8d309b42b0a8505d7e2a5"
-
 [[package]]
 name = "anyhow"
 version = "1.0.32"
@@ -113,11 +107,26 @@ dependencies = [
  "crossbeam",
 ]
 
+[[package]]
+name = "cargo-lock"
+version = "4.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8504b63dd1249fd1745b7b4ef9b6f7b107ddeb3c95370043c7dbcc38653a2679"
+dependencies = [
+ "semver 0.9.0",
+ "serde",
+ "toml",
+ "url",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef611cc68ff783f18535d77ddd080185275713d852c4f5cbb6122c462a7a825c"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cfg-if"
@@ -133,7 +142,8 @@ checksum = "d021fddb7bd3e734370acfa4a83f34095571d8570c039f1420d77540f68d5772"
 dependencies = [
  "libc",
  "num-integer",
- "num-traits 0.2.12",
+ "num-traits",
+ "serde",
  "time",
  "winapi 0.3.9",
 ]
@@ -166,6 +176,22 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crates-index"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15467291e8911aa3e73b0e77d988362da1df7ac974c7189ab38b94b6f7edfa7e"
+dependencies = [
+ "git2",
+ "glob",
+ "hex",
+ "home",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "smol_str",
+]
+
 [[package]]
 name = "crossbeam"
 version = "0.2.12"
@@ -220,6 +246,15 @@ dependencies = [
  "lazy_static 1.4.0",
 ]
 
+[[package]]
+name = "cvss"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c425c059aef1e9cc614482211c4bd78664299ca91d4353db994f9966a1e7161d"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.10"
@@ -240,12 +275,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "dtoa"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134951f4028bdadb9b84baf4232681efbf277da25144b9b0ad65df75946c422b"
-
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
@@ -320,6 +349,27 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "git2"
+version = "0.13.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e094214efbc7fdbbdee952147e493b00e99a4e52817492277e98967ae918165"
+dependencies = [
+ "bitflags 1.2.1",
+ "libc",
+ "libgit2-sys",
+ "log 0.4.11",
+ "openssl-probe",
+ "openssl-sys",
+ "url",
+]
+
+[[package]]
+name = "glob"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -335,31 +385,30 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hex"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "home"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2456aef2e6b6a9784192ae780c0f15bc57df0e918585282325e8c8ac27737654"
+dependencies = [
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 
-[[package]]
-name = "hyper"
-version = "0.10.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a0652d9a2609a968c14be1a9ea00bf4b1d64e2e1f53a1b51b6fff3a6e829273"
-dependencies = [
- "base64 0.9.3",
- "httparse",
- "language-tags",
- "log 0.3.9",
- "mime 0.2.6",
- "num_cpus",
- "time",
- "traitobject",
- "typeable",
- "unicase 1.4.2",
- "url",
-]
-
 [[package]]
 name = "hyper"
 version = "0.11.27"
@@ -374,30 +423,19 @@ dependencies = [
  "iovec",
  "language-tags",
  "log 0.4.11",
- "mime 0.3.16",
+ "mime",
  "net2",
- "percent-encoding",
+ "percent-encoding 1.0.1",
  "relay",
  "time",
  "tokio-core",
  "tokio-io",
  "tokio-proto",
  "tokio-service",
- "unicase 2.6.0",
+ "unicase",
  "want",
 ]
 
-[[package]]
-name = "hyper-native-tls"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72332e4a35d3059583623b50e98e491b78f8b96c5521fcb3f428167955aa56e8"
-dependencies = [
- "antidote",
- "hyper 0.10.16",
- "native-tls",
-]
-
 [[package]]
 name = "hyper-tls"
 version = "0.1.4"
@@ -405,7 +443,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffb1bd5e518d3065840ab315dbbf44e4420e5f7d80e2cb93fa6ffffc50522378"
 dependencies = [
  "futures",
- "hyper 0.11.27",
+ "hyper",
  "native-tls",
  "tokio-core",
  "tokio-io",
@@ -415,9 +453,9 @@ dependencies = [
 
 [[package]]
 name = "idna"
-version = "0.1.5"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
+checksum = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
 dependencies = [
  "matches",
  "unicode-bidi",
@@ -432,7 +470,7 @@ checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 dependencies = [
  "autocfg",
  "hashbrown",
- "serde 1.0.116",
+ "serde",
 ]
 
 [[package]]
@@ -444,18 +482,21 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "itoa"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8324a32baf01e2ae060e9de58ed0bc2320c9a2833491ee36cd3b4c414de4db8c"
-
 [[package]]
 name = "itoa"
 version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
+[[package]]
+name = "jobserver"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c71313ebb9439f74b00d9d2dcec36440beaf57a6aa0623068441dd7cd81a7f2"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -490,6 +531,46 @@ version = "0.2.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2f96b10ec2560088a8e76961b00d47107b3a625fecb76dedb29ee7ccbf98235"
 
+[[package]]
+name = "libgit2-sys"
+version = "0.12.13+1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "069eea34f76ec15f2822ccf78fe0cdb8c9016764d0a12865278585a74dbdeae5"
+dependencies = [
+ "cc",
+ "libc",
+ "libssh2-sys",
+ "libz-sys",
+ "openssl-sys",
+ "pkg-config",
+]
+
+[[package]]
+name = "libssh2-sys"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca46220853ba1c512fc82826d0834d87b06bcd3c2a42241b7de72f3d2fe17056"
+dependencies = [
+ "cc",
+ "libc",
+ "libz-sys",
+ "openssl-sys",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
+name = "libz-sys"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "602113192b08db8f38796c4e85c39e960c145965140e918018bcde1952429655"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.5.3"
@@ -586,15 +667,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "mime"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
-dependencies = [
- "log 0.3.9",
-]
-
 [[package]]
 name = "mime"
 version = "0.3.16"
@@ -676,16 +748,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 dependencies = [
  "autocfg",
- "num-traits 0.2.12",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.1.43"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
-dependencies = [
- "num-traits 0.2.12",
+ "num-traits",
 ]
 
 [[package]]
@@ -732,6 +795,12 @@ dependencies = [
  "openssl-sys",
 ]
 
+[[package]]
+name = "openssl-probe"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
+
 [[package]]
 name = "openssl-sys"
 version = "0.9.58"
@@ -786,6 +855,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 
+[[package]]
+name = "percent-encoding"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+
 [[package]]
 name = "pest"
 version = "2.1.3"
@@ -835,6 +910,15 @@ version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
 
+[[package]]
+name = "platforms"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "feb3b2b1033b8a60b4da6ee470325f887758c95d5320f52f9ce0df055a55940e"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.23"
@@ -912,7 +996,7 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e614f96449605730b4f7ad2c019e88c1652d730634b4eba07b810801856635e3"
 dependencies = [
- "serde 1.0.116",
+ "serde",
 ]
 
 [[package]]
@@ -933,21 +1017,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "reqwest"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bef9ed8fdfcc30947d6b774938dc0c3f369a474efe440df2c7f278180b2d2e6"
-dependencies = [
- "hyper 0.10.16",
- "hyper-native-tls",
- "log 0.3.9",
- "serde 0.9.15",
- "serde_json 0.9.10",
- "serde_urlencoded",
- "url",
-]
-
 [[package]]
 name = "route-recognizer"
 version = "0.1.13"
@@ -965,13 +1034,22 @@ dependencies = [
 
 [[package]]
 name = "rustsec"
-version = "0.6.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fb074a338f1f966f5d86eaef9aa85b544207ed138986e60a33e08202c5c4492"
+checksum = "b2f7c2b431b329341b1ee7193b7403269153b99804ff5850a0b8966aed26f558"
 dependencies = [
- "reqwest",
- "semver 0.11.0",
- "toml 0.3.2",
+ "cargo-lock",
+ "chrono",
+ "crates-index",
+ "cvss",
+ "git2",
+ "home",
+ "platforms",
+ "semver 0.9.0",
+ "semver-parser 0.9.0",
+ "serde",
+ "thiserror",
+ "toml",
 ]
 
 [[package]]
@@ -1069,6 +1147,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 dependencies = [
  "semver-parser 0.7.0",
+ "serde",
 ]
 
 [[package]]
@@ -1078,7 +1157,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f301af10236f6df4160f7c3f04eec6dbc70ace82d23326abad5edee88801c6b6"
 dependencies = [
  "semver-parser 0.10.0",
- "serde 1.0.116",
+ "serde",
 ]
 
 [[package]]
@@ -1087,6 +1166,12 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
+[[package]]
+name = "semver-parser"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b46e1121e8180c12ff69a742aabc4f310542b6ccb69f1691689ac17fdf8618aa"
+
 [[package]]
 name = "semver-parser"
 version = "0.10.0"
@@ -1097,12 +1182,6 @@ dependencies = [
  "pest_derive",
 ]
 
-[[package]]
-name = "serde"
-version = "0.9.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34b623917345a631dc9608d5194cc206b3fe6c3554cd1c75b937e55e285254af"
-
 [[package]]
 name = "serde"
 version = "1.0.116"
@@ -1123,39 +1202,15 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "serde_json"
-version = "0.9.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad8bcf487be7d2e15d3d543f04312de991d631cfe1b43ea0ade69e6a8a5b16a1"
-dependencies = [
- "dtoa",
- "itoa 0.3.4",
- "num-traits 0.1.43",
- "serde 0.9.15",
-]
-
 [[package]]
 name = "serde_json"
 version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "164eacbdb13512ec2745fb09d51fd5b22b0d65ed294a1dcf7285a360c80a675c"
 dependencies = [
- "itoa 0.4.6",
+ "itoa",
  "ryu",
- "serde 1.0.116",
-]
-
-[[package]]
-name = "serde_urlencoded"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68f06ece1408d3221d11a9da11953ad0c94daa48cfa42026471306f895b91bc8"
-dependencies = [
- "dtoa",
- "itoa 0.3.4",
- "serde 0.9.15",
- "url",
+ "serde",
 ]
 
 [[package]]
@@ -1179,7 +1234,7 @@ dependencies = [
  "cadence",
  "derive_more",
  "futures",
- "hyper 0.11.27",
+ "hyper",
  "hyper-tls",
  "indexmap",
  "lru-cache",
@@ -1190,13 +1245,13 @@ dependencies = [
  "rustsec",
  "sass-rs",
  "semver 0.11.0",
- "serde 1.0.116",
- "serde_json 1.0.57",
+ "serde",
+ "serde_json",
  "slog",
  "slog-json",
  "tokio-core",
  "tokio-service",
- "toml 0.5.6",
+ "toml",
  "try_future",
 ]
 
@@ -1225,8 +1280,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ddc0d2aff1f8f325ef660d9a0eb6e6dcd20b30b3f581a5897f58bf42d061c37a"
 dependencies = [
  "chrono",
- "serde 1.0.116",
- "serde_json 1.0.57",
+ "serde",
+ "serde_json",
  "slog",
 ]
 
@@ -1245,6 +1300,15 @@ dependencies = [
  "maybe-uninit",
 ]
 
+[[package]]
+name = "smol_str"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ca0f7ce3a29234210f0f4f0b56f8be2e722488b95cb522077943212da3b32eb"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.42"
@@ -1272,6 +1336,26 @@ dependencies = [
  "remove_dir_all",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "time"
 version = "0.1.44"
@@ -1529,30 +1613,15 @@ dependencies = [
  "tokio-reactor",
 ]
 
-[[package]]
-name = "toml"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd86ad9ebee246fdedd610e0f6d0587b754a3d81438db930a244d0480ed7878f"
-dependencies = [
- "serde 0.9.15",
-]
-
 [[package]]
 name = "toml"
 version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffc92d160b1eef40665be3a05630d003936a3bc7da7421277846c2613e92c71a"
 dependencies = [
- "serde 1.0.116",
+ "serde",
 ]
 
-[[package]]
-name = "traitobject"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
-
 [[package]]
 name = "try-lock"
 version = "0.1.0"
@@ -1574,12 +1643,6 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e5d7cd7ab3e47dda6e56542f4bbf3824c15234958c6e1bd6aaa347e93499fdc"
 
-[[package]]
-name = "typeable"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1410f6f91f21d1612654e7cc69193b0334f909dcf2c790c4826254fbb86f8887"
-
 [[package]]
 name = "typenum"
 version = "1.12.0"
@@ -1592,22 +1655,13 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
 
-[[package]]
-name = "unicase"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
-dependencies = [
- "version_check 0.1.5",
-]
-
 [[package]]
 name = "unicase"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
 dependencies = [
- "version_check 0.9.2",
+ "version_check",
 ]
 
 [[package]]
@@ -1636,13 +1690,13 @@ checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
 name = "url"
-version = "1.7.2"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
+checksum = "829d4a8476c35c9bf0bbce5a3b23f4106f79728039b726d292bb93bc106787cb"
 dependencies = [
  "idna",
  "matches",
- "percent-encoding",
+ "percent-encoding 2.1.0",
 ]
 
 [[package]]
@@ -1651,12 +1705,6 @@ version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
 
-[[package]]
-name = "version_check"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
-
 [[package]]
 name = "version_check"
 version = "0.9.2"
diff --git a/Cargo.toml b/Cargo.toml
index 48377cb..1a9124e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,13 +19,13 @@ derive_more = "0.99"
 futures = "0.1"
 hyper = "0.11"
 hyper-tls = "0.1"
-indexmap = { version = "1.0.0", features = ["serde-1"] }
+indexmap = { version = "1", features = ["serde-1"] }
 lru-cache = "0.1"
 maud = "0.22"
 once_cell = "1.4"
 relative-path = { version = "0.3.7", features = ["serde"] }
 route-recognizer = "0.1"
-rustsec = "0.6.0"
+rustsec = "0.21"
 semver = { version = "0.11", features = ["serde"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
diff --git a/src/engine/machines/analyzer.rs b/src/engine/machines/analyzer.rs
index b7f5be8..655e5b6 100644
--- a/src/engine/machines/analyzer.rs
+++ b/src/engine/machines/analyzer.rs
@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use rustsec::db::AdvisoryDatabase;
+use rustsec::database::{Database, Query};
 use semver::Version;
 
 use crate::models::crates::{
@@ -9,11 +9,11 @@ use crate::models::crates::{
 
 pub struct DependencyAnalyzer {
     deps: AnalyzedDependencies,
-    advisory_db: Option<Arc<AdvisoryDatabase>>,
+    advisory_db: Option<Arc<Database>>,
 }
 
 impl DependencyAnalyzer {
-    pub fn new(deps: &CrateDeps, advisory_db: Option<Arc<AdvisoryDatabase>>) -> DependencyAnalyzer {
+    pub fn new(deps: &CrateDeps, advisory_db: Option<Arc<Database>>) -> DependencyAnalyzer {
         DependencyAnalyzer {
             deps: AnalyzedDependencies::new(deps),
             advisory_db,
@@ -24,7 +24,7 @@ impl DependencyAnalyzer {
         name: &CrateName,
         dep: &mut AnalyzedDependency,
         ver: &Version,
-        advisory_db: Option<&AdvisoryDatabase>,
+        advisory_db: Option<&Database>,
     ) {
         if dep.required.matches(&ver) {
             if let Some(ref mut current_latest_that_matches) = dep.latest_that_matches {
@@ -35,8 +35,12 @@ impl DependencyAnalyzer {
                 dep.latest_that_matches = Some(ver.clone());
             }
 
+            let name: rustsec::cargo_lock::Name = name.as_ref().parse().unwrap();
+            let version: rustsec::cargo_lock::Version = ver.to_string().parse().unwrap();
+            let query = Query::new().package_version(name, version);
+
             if !advisory_db
-                .map(|db| db.find_vulns_for_crate(name.as_ref(), ver).is_empty())
+                .map(|db| db.query(&query).is_empty())
                 .unwrap_or(true)
             {
                 dep.insecure = true;
@@ -90,8 +94,9 @@ impl DependencyAnalyzer {
 
 #[cfg(test)]
 mod tests {
-    use super::DependencyAnalyzer;
-    use models::crates::{CrateDep, CrateDeps, CrateRelease};
+    use crate::models::crates::{CrateDep, CrateDeps, CrateRelease};
+
+    use super::*;
 
     #[test]
     fn tracks_latest_without_matching() {
diff --git a/src/engine/machines/crawler.rs b/src/engine/machines/crawler.rs
index 0936ca5..a8ce0b9 100644
--- a/src/engine/machines/crawler.rs
+++ b/src/engine/machines/crawler.rs
@@ -118,8 +118,9 @@ mod tests {
     use relative_path::RelativePath;
     use semver::VersionReq;
 
-    use super::ManifestCrawler;
-    use models::crates::CrateDep;
+    use crate::models::crates::CrateDep;
+
+    use super::*;
 
     #[test]
     fn simple_package_manifest() {
diff --git a/src/engine/mod.rs b/src/engine/mod.rs
index 8f6efeb..db55df5 100644
--- a/src/engine/mod.rs
+++ b/src/engine/mod.rs
@@ -12,7 +12,7 @@ use hyper::Client;
 use hyper_tls::HttpsConnector;
 use once_cell::sync::Lazy;
 use relative_path::{RelativePath, RelativePathBuf};
-use rustsec::db::AdvisoryDatabase;
+use rustsec::database::Database;
 use semver::VersionReq;
 use slog::Logger;
 use tokio_service::Service;
@@ -237,7 +237,7 @@ impl Engine {
             .call((repo_path.clone(), manifest_path))
     }
 
-    fn fetch_advisory_db(&self) -> impl Future<Item = Arc<AdvisoryDatabase>, Error = Error> {
+    fn fetch_advisory_db(&self) -> impl Future<Item = Arc<Database>, Error = Error> {
         self.fetch_advisory_db
             .call(())
             .from_err()
diff --git a/src/interactors/rustsec.rs b/src/interactors/rustsec.rs
index caf74f2..7fcec16 100644
--- a/src/interactors/rustsec.rs
+++ b/src/interactors/rustsec.rs
@@ -2,10 +2,10 @@ use std::str;
 use std::sync::Arc;
 
 use anyhow::{anyhow, ensure, Error};
-use futures::{future, Future, IntoFuture, Stream};
+use futures::{future, future::done, Future, IntoFuture, Stream};
 use hyper::{Error as HyperError, Method, Request, Response};
-use rustsec::db::AdvisoryDatabase;
-use rustsec::ADVISORY_DB_URL;
+use rustsec::database::Database;
+use rustsec::repository::DEFAULT_URL;
 use tokio_service::Service;
 
 #[derive(Debug, Clone)]
@@ -17,35 +17,59 @@ where
     S::Future: 'static,
 {
     type Request = ();
-    type Response = Arc<AdvisoryDatabase>;
+    type Response = Arc<Database>;
     type Error = Error;
     type Future = Box<dyn Future<Item = Self::Response, Error = Self::Error>>;
 
     fn call(&self, _req: ()) -> Self::Future {
         let service = self.0.clone();
 
-        let uri_future = ADVISORY_DB_URL.parse().into_future().from_err();
-
-        Box::new(uri_future.and_then(move |uri| {
-            let request = Request::new(Method::Get, uri);
-
-            service.call(request).from_err().and_then(|response| {
-                let status = response.status();
-                if !status.is_success() {
-                    future::Either::A(future::err(anyhow!(
-                        "Status code {} when fetching advisory db",
-                        status
-                    )))
-                } else {
-                    let body_future = response.body().concat2().from_err();
-                    let decode_future = body_future.and_then(|body| {
-                        Ok(Arc::new(AdvisoryDatabase::from_toml(str::from_utf8(
-                            &body,
-                        )?)?))
-                    });
-                    future::Either::B(decode_future)
-                }
-            })
-        }))
+        Box::new(done(
+            rustsec::Database::fetch()
+                .map(|db| Arc::new(db))
+                .map_err(|err| anyhow!("err fetching rustsec DB")),
+        ))
     }
 }
+
+// #[derive(Debug, Clone)]
+// pub struct FetchAdvisoryDatabase<S>(pub S);
+
+// impl<S> Service for FetchAdvisoryDatabase<S>
+// where
+//     S: Service<Request = Request, Response = Response, Error = HyperError> + Clone + 'static,
+//     S::Future: 'static,
+// {
+//     type Request = ();
+//     type Response = Arc<Database>;
+//     type Error = Error;
+//     type Future = Box<dyn Future<Item = Self::Response, Error = Self::Error>>;
+
+//     fn call(&self, _req: ()) -> Self::Future {
+//         let service = self.0.clone();
+
+//         let uri_future = DEFAULT_URL.parse().into_future().from_err();
+
+//         Box::new(uri_future.and_then(move |uri| {
+//             let request = Request::new(Method::Get, uri);
+
+//             service.call(request).from_err().and_then(|response| {
+//                 let status = response.status();
+//                 if !status.is_success() {
+//                     future::Either::A(future::err(anyhow!(
+//                         "Status code {} when fetching advisory db",
+//                         status
+//                     )))
+//                 } else {
+//                     let body_future = response.body().concat2().from_err();
+//                     let decode_future = body_future.and_then(|body| {
+//                         Ok(Arc::new(Database::from_toml(str::from_utf8(
+//                             &body,
+//                         )?)?))
+//                     });
+//                     future::Either::B(decode_future)
+//                 }
+//             })
+//         }))
+//     }
+// }
diff --git a/src/parsers/manifest.rs b/src/parsers/manifest.rs
index b88c05f..4cf4f89 100644
--- a/src/parsers/manifest.rs
+++ b/src/parsers/manifest.rs
@@ -138,8 +138,9 @@ pub fn parse_manifest_toml(input: &str) -> Result<CrateManifest, Error> {
 
 #[cfg(test)]
 mod tests {
-    use super::parse_manifest_toml;
-    use models::crates::CrateManifest;
+    use crate::models::crates::CrateManifest;
+
+    use super::*;
 
     #[test]
     fn parse_workspace_without_members_declaration() {