diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3a5a1fa..541efdc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,10 +10,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v22
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Release gem
-        if: contains(github.ref, 'refs/tags/v')
-        uses: cadwallion/publish-rubygems-action@master
-        env:
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-          RUBYGEMS_API_KEY: ${{secrets.RUBYGEMS_API_KEY}}
-          RELEASE_COMMAND: rake release
+        run: |
+          mkdir -p ~/.gem
+          cat << EOF > ~/.gem/credentials
+            ---
+            :github: Bearer ${{ secrets.GITHUB_TOKEN }}
+            :rubygems_api_key: ${{ secrets.RUBYGEMS_API_KEY }}
+          EOF
+          chmod 0600 ~/.gem/credentials
+          nix develop -c rake release