diff --git a/bin/git-release b/bin/git-release
index 18fda98..ae47e9f 100755
--- a/bin/git-release
+++ b/bin/git-release
@@ -58,7 +58,7 @@ if test $# -gt 0; then
     latest_tag=$(git describe --tags "$(git rev-list --tags --max-count=1)")
 
     if [[ ! "$latest_tag" =~ \
-        ^([^0-9]*)([0-9]|[1-9][0-9]+)\.([0-9]|[1-9][0-9]+)\.([0-9]|[1-9][0-9]+)(.*) ]]; then
+        ^([^0-9]*)([1-9][0-9]+|[0-9])\.([1-9][0-9]+|[0-9])\.([1-9][0-9]+|[0-9])(.*) ]]; then
       echo "the latest tag doesn't match semver format requirement" 1>&2
       exit 1
     fi