diff --git a/update.sh b/update.sh
index a0a4852..2c8ab8c 100755
--- a/update.sh
+++ b/update.sh
@@ -3,7 +3,7 @@ images=$(grep 'image:' docker-compose.yml | grep -v '#' | sed 's/^ *//' | cut -d
 for image in $images
 do
     if [[ $image != gcr* ]]; then
-        ver=$(curl -s https://registry.hub.docker.com/v2/repositories/${image}/tags | jq -r '[.results[] | select(.name | contains("ubuntu") | not) | select(.name | contains("main") | not ) | select(.name | contains("master") | not ) | select(.name | contains("latest") | not) | select(.name | contains("rc") | not) | select(.name | contains("."))] | first | .name')
+        ver=$(curl -s https://registry.hub.docker.com/v2/repositories/${image}/tags | jq -r '[.results[] | select(.name | contains("ubuntu") | not) | select(.name | contains("main") | not ) | select(.name | contains("master") | not ) | select(.name | contains("latest") | not) | select(.name | contains("rc") | not) | select(.name | contains("-") | not) | select(.name | contains("."))] | sort_by(.name|sub("^v";"")|split(".")|map(tonumber)) | reverse | first | .name')
         echo "$image:$ver"
         sed -i "s#image: $image:.*#image: $image:$ver#" docker-compose.yml
     fi