diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 97d23d4d613b86347c8abc54c8971718606a33af..87eb74ddda1c37fc9ec66b0e62802f4428b3b8a2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,7 +21,7 @@ before_script:
   - cd $GOPATH/src/$REPO_NAME
   - cp config-sample.json config.json
 
-  - export CC=clang-5.0
+  - export CC=clang-7.0
 
   - make dep
 
@@ -63,4 +63,4 @@ build:
     - make
   artifacts:
     paths:
-      - dyndnsd-client/
\ No newline at end of file
+      - dyndnsd-client/