diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f64205a66..ec82b3066 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -48,7 +48,7 @@ jobs:
       - uses: crazy-max/ghaction-upx@v2
         with:
           install-only: true
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v21
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a44935db8..475d36733 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -101,7 +101,7 @@ jobs:
       - uses: crazy-max/ghaction-upx@v2
         with:
           install-only: true
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v21
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: dockerhub-login