diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 412ed38e0b3408f138e6ae050935d30a93ee3651..6fa98985dc54ee8927f1f239b968c6e9755362ce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,7 +34,7 @@ Build and Check with mini-gmp:
   except:
   - tags
 Build and Check with ubsan:
-  image: fedora:24
+  image: fedora:25
   script:
   - yum install -y gmp-devel libubsan-static libubsan
   - ./.bootstrap &&