diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a0fe929..345e8fea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,10 +73,11 @@ jobs:
 
       - name: Run checks
         run: |
-          nix flake check \
-            --all-systems \
-            --print-build-logs \
-            --show-trace
+          nix run \
+            --inputs-from . \
+            nixpkgs#nix-fast-build -- \
+            --no-nom \
+            --skip-cached
 
   # Make sure all above jobs finished successfully
   release-gate:
diff --git a/flake.nix b/flake.nix
index 6fd64f97..4b1f11cd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -41,6 +41,7 @@
     {
       checks = forAllSystems (system: {
         treefmt = treefmtFor.${system}.config.build.check self;
+        inherit (self.packages.${system}) refraction;
       });
 
       devShells = forAllSystems (