diff --git a/Cargo.lock b/Cargo.lock
index 13a49cf..c716236 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -306,21 +306,6 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ebd3504ad6116843b8375ad70df74e7bfe83cac77a1f3fe73200c844d43bfe0"
 
-[[package]]
-name = "futures"
-version = "0.3.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28560757fe2bb34e79f907794bb6b22ae8b0e5c669b638a1132f2592b19035b4"
-dependencies = [
- "futures-channel",
- "futures-core",
- "futures-executor",
- "futures-io",
- "futures-sink",
- "futures-task",
- "futures-util",
-]
-
 [[package]]
 name = "futures-channel"
 version = "0.3.19"
@@ -328,7 +313,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba3dda0b6588335f360afc675d0564c17a77a2bda81ca178a4b6081bd86c7f0b"
 dependencies = [
  "futures-core",
- "futures-sink",
 ]
 
 [[package]]
@@ -337,34 +321,6 @@ version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0c8ff0461b82559810cdccfde3215c3f373807f5e5232b71479bff7bb2583d7"
 
-[[package]]
-name = "futures-executor"
-version = "0.3.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29d6d2ff5bb10fb95c85b8ce46538a2e5f5e7fdc755623a7d4529ab8a4ed9d2a"
-dependencies = [
- "futures-core",
- "futures-task",
- "futures-util",
-]
-
-[[package]]
-name = "futures-io"
-version = "0.3.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f9d34af5a1aac6fb380f735fe510746c38067c5bf16c7fd250280503c971b2"
-
-[[package]]
-name = "futures-macro"
-version = "0.3.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6dbd947adfffb0efc70599b3ddcf7b5597bb5fa9e245eb99f62b3a5f7bb8bd3c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "futures-sink"
 version = "0.3.19"
@@ -383,13 +339,8 @@ version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b5cf40b47a271f77a8b1bec03ca09044d99d2372c0de244e66430761127164"
 dependencies = [
- "futures-channel",
  "futures-core",
- "futures-io",
- "futures-macro",
- "futures-sink",
  "futures-task",
- "memchr",
  "pin-project-lite",
  "pin-utils",
  "slab",
@@ -607,15 +558,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "instant"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "ipnet"
 version = "2.3.1"
@@ -704,15 +646,6 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "lock_api"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712a4d093c9976e24e7dbca41db895dabcbac38eb5f4045393d17a95bdfb1109"
-dependencies = [
- "scopeguard",
-]
-
 [[package]]
 name = "log"
 version = "0.4.14"
@@ -893,57 +826,12 @@ dependencies = [
  "ttf-parser",
 ]
 
-[[package]]
-name = "parking_lot"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
-dependencies = [
- "instant",
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
-dependencies = [
- "cfg-if",
- "instant",
- "libc",
- "redox_syscall",
- "smallvec",
- "winapi",
-]
-
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
-[[package]]
-name = "pin-project"
-version = "1.0.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1622113ce508488160cff04e6abc60960e676d330e1ca0f77c0b8df17c81438f"
-dependencies = [
- "pin-project-internal",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "1.0.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b95af56fee93df76d721d356ac1ca41fccf168bc448eb14049234df764ba3e76"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.7"
@@ -1234,12 +1122,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "scopeguard"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
-
 [[package]]
 name = "security-framework"
 version = "2.4.2"
@@ -1336,13 +1218,12 @@ dependencies = [
  "crates-index",
  "derive_more",
  "font-awesome-as-a-crate",
- "futures",
+ "futures-util",
  "hyper",
  "indexmap",
  "lru_time_cache",
  "maud",
  "once_cell",
- "pin-project",
  "pulldown-cmark",
  "relative-path",
  "reqwest",
@@ -1360,15 +1241,6 @@ dependencies = [
  "toml",
 ]
 
-[[package]]
-name = "signal-hook-registry"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "slab"
 version = "0.4.5"
@@ -1406,12 +1278,6 @@ dependencies = [
  "thread_local",
 ]
 
-[[package]]
-name = "smallvec"
-version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
-
 [[package]]
 name = "smartstring"
 version = "0.2.9"
@@ -1545,10 +1411,7 @@ dependencies = [
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
- "parking_lot",
  "pin-project-lite",
- "signal-hook-registry",
  "tokio-macros",
  "winapi",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index b036e90..d6f0a60 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,13 +18,12 @@ cadence = "0.27"
 crates-index = "0.17"
 derive_more = "0.99"
 font-awesome-as-a-crate = "0.2"
-futures = "0.3"
+futures-util = { version = "0.3", default-features = false, features = ["std"] }
 hyper = { version = "0.14.10", features = ["full"] }
 indexmap = { version = "1", features = ["serde-1"] }
 lru_time_cache = "0.11.1"
 maud = "0.23"
 once_cell = "1"
-pin-project = "1"
 pulldown-cmark = "0.9"
 relative-path = { version = "1.3", features = ["serde"] }
 reqwest = { version = "0.11", features = ["json"] }
@@ -36,7 +35,7 @@ serde_json = "1"
 slog = "2"
 slog-async = "2"
 slog-term = "2"
-tokio = { version = "1.14", features = ["full"] }
+tokio = { version = "1.14", features = ["rt-multi-thread", "macros"] }
 toml = "0.5"
 
 [build-dependencies]
diff --git a/src/engine/fut/analyze.rs b/src/engine/fut/analyze.rs
index ce620d9..486f0d8 100644
--- a/src/engine/fut/analyze.rs
+++ b/src/engine/fut/analyze.rs
@@ -1,5 +1,5 @@
 use anyhow::Error;
-use futures::StreamExt;
+use futures_util::StreamExt as _;
 
 use crate::{
     engine::machines::analyzer::DependencyAnalyzer,
diff --git a/src/engine/fut/crawl.rs b/src/engine/fut/crawl.rs
index e6c13b8..f22b7a8 100644
--- a/src/engine/fut/crawl.rs
+++ b/src/engine/fut/crawl.rs
@@ -1,5 +1,5 @@
 use anyhow::Error;
-use futures::{future::BoxFuture, stream::FuturesOrdered, FutureExt as _, StreamExt as _};
+use futures_util::{future::BoxFuture, stream::FuturesOrdered, FutureExt as _, StreamExt as _};
 use relative_path::RelativePathBuf;
 
 use crate::models::repo::RepoPath;
diff --git a/src/engine/mod.rs b/src/engine/mod.rs
index 103451c..327c2a5 100644
--- a/src/engine/mod.rs
+++ b/src/engine/mod.rs
@@ -8,14 +8,17 @@ use std::{
 use anyhow::{anyhow, Error};
 use cadence::{MetricSink, NopMetricSink, StatsdClient};
 use crates_index::Index;
-use futures::{future::try_join_all, stream, StreamExt};
+use futures_util::{
+    future::try_join_all,
+    stream::{self, BoxStream},
+    StreamExt as _,
+};
 use hyper::service::Service;
 use once_cell::sync::Lazy;
 use relative_path::{RelativePath, RelativePathBuf};
 use rustsec::database::Database;
 use semver::VersionReq;
 use slog::Logger;
-use stream::BoxStream;
 
 use crate::interactors::crates::{GetPopularCrates, QueryCrate};
 use crate::interactors::github::GetPopularRepos;
diff --git a/src/interactors/crates.rs b/src/interactors/crates.rs
index c13fd88..56a2a4b 100644
--- a/src/interactors/crates.rs
+++ b/src/interactors/crates.rs
@@ -2,7 +2,7 @@ use std::{fmt, str, task::Context, task::Poll};
 
 use anyhow::{anyhow, Error};
 use crates_index::{Crate, DependencyKind, Index};
-use futures::FutureExt as _;
+use futures_util::FutureExt as _;
 use hyper::service::Service;
 use semver::{Version, VersionReq};
 use serde::Deserialize;
diff --git a/src/interactors/github.rs b/src/interactors/github.rs
index 6057168..6f6687e 100644
--- a/src/interactors/github.rs
+++ b/src/interactors/github.rs
@@ -5,7 +5,7 @@ use std::{
 
 use anyhow::Error;
 
-use futures::FutureExt as _;
+use futures_util::FutureExt as _;
 use hyper::service::Service;
 use serde::Deserialize;
 
diff --git a/src/interactors/mod.rs b/src/interactors/mod.rs
index f6aead6..030174f 100644
--- a/src/interactors/mod.rs
+++ b/src/interactors/mod.rs
@@ -4,7 +4,7 @@ use std::{
 };
 
 use anyhow::{anyhow, Error};
-use futures::FutureExt as _;
+use futures_util::FutureExt as _;
 use hyper::service::Service;
 use relative_path::RelativePathBuf;
 
diff --git a/src/interactors/rustsec.rs b/src/interactors/rustsec.rs
index 5aadafa..e28488e 100644
--- a/src/interactors/rustsec.rs
+++ b/src/interactors/rustsec.rs
@@ -1,7 +1,7 @@
 use std::{fmt, sync::Arc, task::Context, task::Poll};
 
 use anyhow::Error;
-use futures::FutureExt as _;
+use futures_util::FutureExt as _;
 use hyper::service::Service;
 use rustsec::database::Database;
 
diff --git a/src/server/mod.rs b/src/server/mod.rs
index 52b5f7e..8230ba1 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -1,6 +1,6 @@
 use std::{env, sync::Arc, time::Instant};
 
-use futures::future;
+use futures_util::future;
 use hyper::{
     header::{CACHE_CONTROL, CONTENT_TYPE, ETAG, LOCATION},
     Body, Error as HyperError, Method, Request, Response, StatusCode,