diff --git a/.github/actions/nix-devshell/action.yaml b/.github/actions/nix-devshell/action.yaml
index f9c8f10..bbd1c90 100644
--- a/.github/actions/nix-devshell/action.yaml
+++ b/.github/actions/nix-devshell/action.yaml
@@ -12,7 +12,7 @@ inputs:
 runs:
   using: 'composite'
   steps:
-    - uses: cachix/install-nix-action@448cde739abec1eaf0646249e3d25bb8d9bc7702 # v31.11.2
+    - uses: cachix/install-nix-action@75c75c31ebece974e48ebc36b4ad125bd97bd97b # v31.11.3
       with:
         github_access_token: ${{ inputs.gh-token }}
         # single-user mode so aws credentials work