diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 34b877e2da8d1c5e4049b74ac63ed1281eac9c6f..e422f0902d7aaaaa79c4bfb0d3f824fcbc5b9338 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,12 @@ stages:
 - docs
 - mirror
 
+cache:
+  untracked: true
+  key: "$CI_PROJECT_ID"
+  paths:
+  - ./cache/
+
 variables:
 #  production_repo: ubleipzig/folio-okapi
   production_repo: services.ub.uni-leipzig.de:11443/bdd_dev/folio/okapi