diff --git a/.github/workflows/check-flake.yml b/.github/workflows/check-flake.yml
index f2b1840f..f9c6a004 100644
--- a/.github/workflows/check-flake.yml
+++ b/.github/workflows/check-flake.yml
@@ -12,10 +12,16 @@ jobs:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
       - uses: DeterminateSystems/magic-nix-cache-action@main
+      - uses: cachix/cachix-action@v15
+        with:
+          name: mrjones2014-dotfiles
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Add nix-community cache
+        run: cachix use nix-community
       - name: Check Nix flake inputs
         uses: DeterminateSystems/flake-checker-action@v9
         with:
           fail-mode: true
           send-statistics: false
       - name: Run nix flake check
-        run: nix flake check
+        run: nix flake check --accept-flake-config
diff --git a/.github/workflows/nix-build-and-cache.yml b/.github/workflows/nix-build-and-cache.yml
index a74a65cb..f67e2b9e 100644
--- a/.github/workflows/nix-build-and-cache.yml
+++ b/.github/workflows/nix-build-and-cache.yml
@@ -33,11 +33,11 @@ jobs:
       with:
         extra_nix_config: |
           extra-platforms = ${{ matrix.extraPlatforms }}
-
     - uses: cachix/cachix-action@v15
       with:
         name: mrjones2014-dotfiles
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-
+    - name: Add nix-community cache
+      run: cachix use nix-community
     - name: build all definitions
-      run: nix run github:Mic92/nix-fast-build -L -- --skip-cached --no-download --no-nom --eval-workers 1 --eval-max-memory-size 2048 --flake .#checks.${{ matrix.system }}
+      run: nix run github:Mic92/nix-fast-build -L -- --skip-cached --no-download --no-nom --eval-workers 1 --eval-max-memory-size 2048 --flake .#checks.${{ matrix.system }} --accept-flake-config