diff --git a/json_theme/lib/src/schema/schemas.dart b/json_theme/lib/src/schema/schemas.dart
index 5c9479c..f30b24c 100644
--- a/json_theme/lib/src/schema/schemas.dart
+++ b/json_theme/lib/src/schema/schemas.dart
@@ -28,8 +28,10 @@ class Schemas {
     BoxConstraintsSchema.id: BoxConstraintsSchema.schema,
     BoxDecorationSchema.id: BoxDecorationSchema.schema,
     BoxFitSchema.id: BoxFitSchema.schema,
+    BoxHeightStyleSchema.id: BoxHeightStyleSchema.schema,
     BoxShadowSchema.id: BoxShadowSchema.schema,
     BoxShapeSchema.id: BoxShapeSchema.schema,
+    BoxWidthStyleSchema.id: BoxWidthStyleSchema.schema,
     BrightnessSchema.id: BrightnessSchema.schema,
     ButtonBarLayoutBehaviorSchema.id: ButtonBarLayoutBehaviorSchema.schema,
     ButtonBarThemeDataSchema.id: ButtonBarThemeDataSchema.schema,