diff --git a/.github/actions/install-nix/action.yml b/.github/actions/install-nix/action.yml
index dce94fabd..0ae4032c8 100644
--- a/.github/actions/install-nix/action.yml
+++ b/.github/actions/install-nix/action.yml
@@ -11,7 +11,7 @@ inputs:
 runs:
   using: composite
   steps:
-  - uses: DeterminateSystems/determinate-nix-action@v3.20.0
+  - uses: DeterminateSystems/determinate-nix-action@v3.21.0
     with:
       extra-conf: |
         accept-flake-config = true