diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b04bd69..e6d3762 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,6 +12,9 @@ final_report:
   script:
     - apk update; apk add make
     - make -j
+  cache:
+    paths:
+      - graphics/
   artifacts:
     paths:
       - report.pdf