diff --git a/scripts/cibuild.sh b/scripts/cibuild.sh
index 5965999..f701241 100755
--- a/scripts/cibuild.sh
+++ b/scripts/cibuild.sh
@@ -4,7 +4,7 @@ set -e
 
 cmd_container () {
   # https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/store-information-in-variables#default-environment-variables
-  tag_version="v1.$(date +%Y%m%d).${GITHUB_RUN_NUMBER}"
+  tag_version="v1-$(date +%Y%m%d)-${GITHUB_RUN_NUMBER}"
 
   echo $QUAY_PASSWORD | docker login quay.io -u $QUAY_USERNAME --password-stdin
   full_tag="quay.io/chroot.club/cro-website:${tag_version}"