diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8c8dbd5f2d849064f278c732115b3084cc0b40a3..4a5deb0ded5b3729c8936c2917c7432dff41cde9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,5 @@
+image: java:8-jdk
+
 java:
   script:
   - gradle test