diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7ef73a6..89eae96 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -37,6 +37,14 @@ jobs:
         name: digitallyinduced
         skipPush: true
 
+    # # Initialize custom cachix for pushing
+    # - name: Custom Cachix Init
+    #   uses: cachix/cachix-action@v15
+    #   with:
+    #     name: CHANGE-ME
+    #     authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+    #     skipPush: true
+
     # Free up disk space before building
     - name: Free disk space
       run: |
@@ -68,6 +76,12 @@ jobs:
           # Execute the tests.
           runghc $(make print-ghc-extensions) -i. -ibuild -iConfig Test/Main.hs
 
+    # Push to cachix after successful tests
+    # - name: Push to Cachix
+    #   if: github.ref == 'refs/heads/main'
+    #   run: |
+    #     nix build --no-link --json .#nixosConfigurations.qa.config.system.build.toplevel | jq -r '.[].outputs.out' | cachix push CHANGE-ME
+
   deploy:
     name: Deploy
     needs: tests
diff --git a/flake.nix b/flake.nix
index 624da5f..ed95d5b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -143,4 +143,15 @@
             };
 
         };
+
+    # Add own cachix cache here to speed up builds.
+    # Uncomment the following lines and replace `CHANGE-ME` with your cachix cache name
+    # nixConfig = {
+    #     extra-substituters = [
+    #         "https://CHANGE-ME.cachix.org"
+    #     ];
+    #     extra-trusted-public-keys = [
+    #         "CHANGE-ME.cachix.org-1:CHANGE-ME-PUBLIC-KEY"
+    #     ];
+    # };
 }