diff --git a/ember-style-modifier/README.md b/ember-style-modifier/README.md
index 231e0f64..5a44bbd4 100644
--- a/ember-style-modifier/README.md
+++ b/ember-style-modifier/README.md
@@ -9,8 +9,8 @@ This allows to set custom CSS of an element without requiring a [Content Securit
 
 ## Compatibility
 
-* Ember.js v4.12 or above
-* Ember CLI v4.12 or above
+* Ember.js v3.28 or above
+* Ember CLI v3.28 or above
 * Node.js v18 or above
 
 ## Installation