diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 070f9b1..9e1c527 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ stages:
 build-centos:
     stage: build
     script:
-      - source /opt/rh/devtoolset-6/enable
+      - source /opt/rh/devtoolset-7/enable
       - mkdir build
       - cd build
       - cmake3 ..