diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1dcc2d1..daf689c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,14 @@
+variables:
+  CI_JULIA_CACHE_DIR: ${CI_PROJECT_DIR}/julia_pkg
+  JULIA_DEPOT_PATH: ${CI_JULIA_CACHE_DIR}
+cache:
+  key:
+    files:
+      - Project.toml
+      - docs/Project.toml
+    prefix: ${CI_JOB_NAME}
+  paths:
+    - ${CI_JULIA_CACHE_DIR}
 .script:
   script:
     - |