diff --git a/dist/index.js b/dist/index.js
index d5e4b3a73..e58b152d4 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -118553,13 +118553,22 @@ const schema = (context) => {
       'version-resolver': Joi.object()
         .keys({
           major: Joi.object({
-            labels: Joi.array().items(Joi.string()).single(),
+            labels: Joi.array()
+              .items(Joi.string())
+              .single()
+              .default(DEFAULT_CONFIG['version-resolver']['major']['labels']),
           }),
           minor: Joi.object({
-            labels: Joi.array().items(Joi.string()).single(),
+            labels: Joi.array()
+              .items(Joi.string())
+              .single()
+              .default(DEFAULT_CONFIG['version-resolver']['minor']['labels']),
           }),
           patch: Joi.object({
-            labels: Joi.array().items(Joi.string()).single(),
+            labels: Joi.array()
+              .items(Joi.string())
+              .single()
+              .default(DEFAULT_CONFIG['version-resolver']['patch']['labels']),
           }),
           default: Joi.string()
             .valid('major', 'minor', 'patch')
diff --git a/lib/schema.js b/lib/schema.js
index 95b52fa9b..6bbfde658 100644
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -118,13 +118,22 @@ const schema = (context) => {
       'version-resolver': Joi.object()
         .keys({
           major: Joi.object({
-            labels: Joi.array().items(Joi.string()).single(),
+            labels: Joi.array()
+              .items(Joi.string())
+              .single()
+              .default(DEFAULT_CONFIG['version-resolver']['major']['labels']),
           }),
           minor: Joi.object({
-            labels: Joi.array().items(Joi.string()).single(),
+            labels: Joi.array()
+              .items(Joi.string())
+              .single()
+              .default(DEFAULT_CONFIG['version-resolver']['minor']['labels']),
           }),
           patch: Joi.object({
-            labels: Joi.array().items(Joi.string()).single(),
+            labels: Joi.array()
+              .items(Joi.string())
+              .single()
+              .default(DEFAULT_CONFIG['version-resolver']['patch']['labels']),
           }),
           default: Joi.string()
             .valid('major', 'minor', 'patch')
diff --git a/schema.json b/schema.json
index 1878a78fe..1b03521d5 100644
--- a/schema.json
+++ b/schema.json
@@ -227,6 +227,7 @@
           "type": "object",
           "properties": {
             "labels": {
+              "default": [],
               "type": "array",
               "items": {
                 "type": "string"
@@ -240,6 +241,7 @@
           "type": "object",
           "properties": {
             "labels": {
+              "default": [],
               "type": "array",
               "items": {
                 "type": "string"
@@ -253,6 +255,7 @@
           "type": "object",
           "properties": {
             "labels": {
+              "default": [],
               "type": "array",
               "items": {
                 "type": "string"