diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 57640c77067a298e21a9ed2f9f16ddaf1514c489..92d1035c490ae00d486eab03619766255e7c920f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ cache:
     - .gradle/caches
 
 build:
-  image: openjdk:8
+  image: openjdk:11
   stage: build
   script:
     - ./gradlew --console=plain --no-daemon assemble
@@ -27,7 +27,7 @@ build:
     expire_in: 1 week
 
 test:
-  image: openjdk:8
+  image: openjdk:11
   stage: test
   script:
     - ./gradlew --console=plain --no-daemon test