diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8e44d0..47ee31a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 0.4.7
+## 0.4.8
 
 * Add default value for schema validation constants
 
diff --git a/lib/src/generators/schema.dart b/lib/src/generators/schema.dart
index 6e66f48..6dd30db 100644
--- a/lib/src/generators/schema.dart
+++ b/lib/src/generators/schema.dart
@@ -234,7 +234,7 @@ class SchemaGenerator extends BaseGenerator {
           property: props![propName]!,
           required: schema.required?.contains(propName) ?? false,
         );
-        if (v != null && v.operations.isNotEmpty) {
+        if (v != null && (v.constants.isNotEmpty || v.operations.isNotEmpty)) {
           validations.add(v);
         }
       }
@@ -317,7 +317,7 @@ class SchemaGenerator extends BaseGenerator {
         property: prop,
         required: s.required?.contains(propName) ?? false,
       );
-      if (v != null && v.operations.isNotEmpty) {
+      if (v != null && (v.constants.isNotEmpty || v.operations.isNotEmpty)) {
         validations.add(v);
       }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 4c0d066..8b19086 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: openapi_spec
 description: OpenAPI Specification generator using native Dart code, as well as an all-in-one parser of existing specifications.
-version: 0.4.7
+version: 0.4.8
 maintainer: Taza Technology LLC
 repository: https://github.com/tazatechnology/openapi_spec
 issue_tracker: https://github.com/tazatechnology/openapi_spec/issues