diff --git a/.github/workflows/rust.yaml b/.github/workflows/rust.yaml
index c6e127f..f9126fe 100644
--- a/.github/workflows/rust.yaml
+++ b/.github/workflows/rust.yaml
@@ -42,7 +42,7 @@ jobs:
 
       # nix dev shell setup
       - uses: DeterminateSystems/nix-installer-action@v15
-      - uses: cachix/cachix-action@18cf96c7c98e048e10a83abd92116114cd8504be # v14
+      - uses: cachix/cachix-action@ad2ddac53f961de1989924296a1f236fcfbaa4fc # v15
         with: { name: "nix-community" }
       - uses: DeterminateSystems/magic-nix-cache-action@v8