diff --git a/.drone.yml b/.drone.yml
index 4607974..66c9e24 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -14,12 +14,19 @@ trigger:
     - push
 
 steps:
+  - name: compute cache key
+    image: docker.io/library/elixir:1.18.3-otp-27
+    commands:
+      - echo "$DRONE_REPO_OWNER/$DRONE_REPO_NAME/" >> .cache_key
+
   - name: restore-cache
     image: drillster/drone-volume-cache
     settings:
       restore: true
       mount:
         - ./deps
+        - ./_build
+      ttl: 30
     volumes:
       - name: cache
         path: /tmp/cache
@@ -71,7 +78,9 @@ steps:
       # Fetch dependencies
       - mix deps.get
       # Run tests
-      - mix test
+      # - mix test
+      # TODO: remove this, added only for testing
+      - mix compile
 
   - name: rebuild-cache
     image: drillster/drone-volume-cache