diff --git a/bin/builder.sh b/bin/builder.sh
index a3ae9a26..cc790cf6 100755
--- a/bin/builder.sh
+++ b/bin/builder.sh
@@ -20,7 +20,7 @@ if [[ "${DEBUG}" == "true" ]]; then
   set -x
 fi
 
-SEMVER_REGEX="^(0|[1-9][0-9]*)(\.(0|[1-9][0-9]*))(\.(0|[1-9][0-9]*))$"
+SEMVER_REGEX="^(0|[1-9][0-9]*)(\.(0|[1-9][0-9]*))(\.(0|[1-9][0-9]*))(-[0-9A-Za-z.-]+)?$"
 
 function check_semver () {
   if [[ ! "${1}" =~ ${SEMVER_REGEX} ]]; then
diff --git a/builder.json b/builder.json
index d4c856cd..00151849 100644
--- a/builder.json
+++ b/builder.json
@@ -6,6 +6,6 @@
   "forceUnstable": true,
   "startVersion": "14.15.0",
   "ignoredVersions": [],
-  "allowedVersions": "^14.15.0 || ^16.13.0 || >=18.12.0",
+  "allowedVersions": "/^(14\\.(1[5-9]|[2-9]\\d)|16\\.(1[3-9]|[2-9]\\d)|18\\.(1[2-9]|[2-9]\\d)|19|[2-9]\\d|[1-9]\\d{2,})\\./",
   "extractVersion": "^v(?<version>.*)$"
 }