diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d2b83ad20..c5b343185 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -43,7 +43,7 @@ variables:
 # Cache gems in between jobs and pipelines
 # ATTENTION: We use a combination of the Ruby major and minor version number
 # as a key for the cache to avoid cache growth and incompatibilities between
-# the gems. Search hook: 2.7.2 (change it when updating the Ruby version too)
+# the gems. Search hook: 2.7.3 (change it when updating the Ruby version too)
 cache:
   key: "centos7ruby273"
   paths: