diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7fdfcb3..2070e3e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,6 +9,14 @@ defaults: &defaults
 version: 2.0
 
 jobs:
+  jdk8:
+    docker:
+      - image: circleci/openjdk:8-jdk
+
+  jdk9:
+    docker:
+      - image: circleci/openjdk:9-jdk
+
   build_gradle:
     <<: *defaults
 
@@ -69,7 +77,16 @@ jobs:
 
 workflows:
   version: 2
-  build_gradle_and_kobalt:
+  build_jdk8:
     jobs:
       - build_gradle
-      - build_kobalt
\ No newline at end of file
+          requires:
+            - jdk8
+      - build_kobalt
+          requires:
+            - jdk8
+  build_jdk9:
+    jobs:
+      - build_gradle
+          requires:
+            - jdk9
\ No newline at end of file