diff --git a/.forgejo/workflows/ci.yaml b/.forgejo/workflows/ci.yaml
index 5015d407..2ba4267d 100644
--- a/.forgejo/workflows/ci.yaml
+++ b/.forgejo/workflows/ci.yaml
@@ -21,6 +21,18 @@ jobs:
       - uses: actions/checkout@v4
       - run: nix-shell --run 'nix-unit ./deployment/data-model-test.nix'
 
+      - run: attic login fediversity https://attic.fediversity.net ${{ secrets.ATTIC_PUSH_KEY }} && attic use demo
+
+      - name: Set up SSH key to access age secrets
+        run: |
+          env
+          mkdir -p ~/.ssh
+          echo "${{ secrets.CD_SSH_KEY }}" > ~/.ssh/id_ed25519
+          chmod 600 ~/.ssh/id_ed25519
+
+      - name: Cache
+      - run: attic push demo $(nix-build)
+
   check-mastodon:
     runs-on: native
     steps:
diff --git a/machines/operator/test12/default.nix b/machines/operator/test12/default.nix
index 87bfbf64..8f2d345f 100644
--- a/machines/operator/test12/default.nix
+++ b/machines/operator/test12/default.nix
@@ -19,10 +19,4 @@
       gateway = "2a00:51c0:13:1305::1";
     };
   };
-
-  nixos.module = {
-    imports = [
-      ../../../services/fediversity/attic
-    ];
-  };
 }