diff --git a/jenkins/scripts/run-docs.sh b/jenkins/scripts/run-docs.sh
index 7cfff31586..ae0a263f12 100755
--- a/jenkins/scripts/run-docs.sh
+++ b/jenkins/scripts/run-docs.sh
@@ -40,7 +40,7 @@ elif echo $ZUUL_REFNAME | grep refs/tags/ >/dev/null ; then
         # now all projects use semver based versions instead of date based
         # versions. The date versions will sort higher even though they
         # should not so we just special case it here.
-        LATEST=$(git tag | sed -n -e '/^20[0-9]\{2\}\..*$/d' -e '/^\([0-9]\+\.\?\)\{1,3\}.*$/p' | sort -V | tail -1)
+        LATEST=$(git tag | sed -n -e '/^20[0-9]\{2\}\..*$/d' -e '/^[0-9]\+\(\.[0-9]\+\)*$/p' | sort -V | tail -1)
         # Now publish to / and /$TAG if this is the latest version or
         # just /$TAG if this is not the latest version.
         if [ "$TAG" = "$LATEST" ] ; then