diff --git a/Resources/Private/Schema/Validation.schema.yaml b/Resources/Private/Schema/Validation.schema.yaml
index 3f96d9d..c1dad01 100644
--- a/Resources/Private/Schema/Validation.schema.yaml
+++ b/Resources/Private/Schema/Validation.schema.yaml
@@ -1,11 +1,11 @@
-type: dictionary
+type: 'dictionary'
 additionalProperties:
-  type: dictionary
+  type: 'dictionary'
   additionalProperties: false
   properties:
-    type: dictionary
+    type: 'dictionary'
     additionalProperties: false
     properties:
-      type: dictionary
+      type: 'dictionary'
     self:
-      type: dictionary
+      type: 'dictionary'