diff --git a/.ci/travis.sh b/.ci/travis.sh
index de473c3e35..f7acc32347 100755
--- a/.ci/travis.sh
+++ b/.ci/travis.sh
@@ -37,6 +37,10 @@ run-command)
   fi
   ;;
 
+monthly-cache-cleanup)
+  find ~/.m2 -mtime +30 -exec rm {} \;
+  ;;
+
 *)
   echo "Unexpected argument: $1"
   sleep 5s
diff --git a/.travis.yml b/.travis.yml
index 227d1466f7..6003d215e2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -89,6 +89,7 @@ script:
   - ./.ci/travis.sh init-m2-repo
   - ./.ci/travis.sh run-command "$CMD"
   - ./.ci/validation.sh git-diff
+  - ./.ci/travis.sh monthly-cache-cleanup
   - sleep 5s
 
 after_success: