diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c7e8291d8..68644660c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -40,6 +40,7 @@ spec-build:
     paths:
     - spec.json
   script:
+  - mix deps.get
   - mix pleroma.openapi_spec spec.json
 
 benchmark:
@@ -393,4 +394,4 @@ docker-adhoc:
   tags:
     - dind
   only:
-    - /^build-docker/.*$/@pleroma/pleroma
\ No newline at end of file
+    - /^build-docker/.*$/@pleroma/pleroma