diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7ce2cbf..3fac685 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.tag != null && format('refs/tags/{0}', inputs.tag) || '' }}
-      - uses: DeterminateSystems/nix-installer-action@v16
+      - uses: DeterminateSystems/nix-installer-action@v21
       - uses: DeterminateSystems/flakehub-push@v5
         with:
           visibility: public