diff --git a/flake.lock b/flake.lock
index 086afd9..55b8de1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1698288402,
-        "narHash": "sha256-jIIjApPdm+4yt8PglX8pUOexAdEiAax/DXW3S/Mb21E=",
+        "lastModified": 1698434055,
+        "narHash": "sha256-Phxi5mUKSoL7A0IYUiYtkI9e8NcGaaV5PJEaJApU1Ko=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "60b9db998f71ea49e1a9c41824d09aa274be1344",
+        "rev": "1a3c95e3b23b3cdb26750621c08cc2f1560cb883",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index e90e374..7932b66 100644
--- a/flake.nix
+++ b/flake.nix
@@ -64,7 +64,7 @@
           cmakeFlags = [
             "-GNinja"
             # Debug for debug builds
-            "-DCMAKE_BUILD_TYPE=Debug"
+            "-DCMAKE_BUILD_TYPE=RelWithDebInfo"
             "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON"
             # from the original LLVM expr
             "-DLLVM_LINK_LLVM_DYLIB=ON"