diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 40d4e2b3..8f32e660 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v23
       with:
-        nix_path: nixpkgs=channel:nixos-unstable
+        nix_path: nixpkgs=channel:nixos-24.05
     - run: |
         if grep -R --exclude stdlib-extended.nix literalExample modules ; then
           echo "Error: literalExample should be replaced by literalExpression" > /dev/stderr