diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b119e0a85bf0e3fb93f0a84728282fdc3ca3f90c..d8f1a0ac79911ac4a2fe77584557fdd64e256a78 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: python:3.9
+image: centos:centos7
 pages:
   script:
     - yum install -y epel-release wget