diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3794b9482..9d6c68047 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -61,7 +61,7 @@ setup:dynamic:
     - apt-get -y update
     - apt-get -y install git
   variables:
-    GIT_LOG_COMMAND: git log --max-count=1 --pretty=format:%cI
+    GIT_LOG_COMMAND: 'git log --max-count=1 --date=format:%Y-%m-%dT%H-%M --pretty=format:%cd'
   script:
     - FRONTEND_IMAGE_VERSION=`${GIT_LOG_COMMAND} ${FRONTEND_IMAGE_DEPENDENCIES} | tee frontend-image-version`
     - BACKEND_IMAGE_VERSION=`${GIT_LOG_COMMAND} ${BACKEND_IMAGE_DEPENDENCIES} | tee backend-image-version`