diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 99f07ed..551b61d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,10 +14,10 @@ jobs:
         uses: actions/checkout@v4
       - name: Install Nix
         uses: cachix/install-nix-action@v23
-      - name: Install Cachix
-        run: nix-env -iA cachix -f https://cachix.org/api/v1/install
       - name: Setup Cachix
-        run: cachix use devenv
+        uses: cachix/cachix-action@v12
+        with:
+          name: devenv
       - name: Install devenv
         run: nix-env -if https://install.devenv.sh/latest
       - name: Run tests
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 36207cb..947ae4a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,12 +21,16 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v8
-      - name: Install tools via Nix
-        run: nix develop --check
+        uses: cachix/install-nix-action@v23
+      - name: Setup Cachix
+        uses: cachix/cachix-action@v12
+        with:
+          name: devenv
+      - name: Install devenv
+        run: nix-env -if https://install.devenv.sh/latest
       - name: Install dependencies
-        run: nix develop -c npm ci
+        run: devenv shell -- npm ci
       - name: Run semantic-release
-        run: nix develop -c npx semantic-release
+        run: devenv shell -- npx semantic-release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}