diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09565f3..de37b16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 0.0.38
 
 * Add support of `Toggle`
+* Attributes collection now can be concatenated
 
 ## 0.0.37
 
diff --git a/src/jsMain/kotlin/dev/inmo/jsuikit/utils/AttributesCollection.kt b/src/jsMain/kotlin/dev/inmo/jsuikit/utils/AttributesCollection.kt
index b44ada7..c71d37d 100644
--- a/src/jsMain/kotlin/dev/inmo/jsuikit/utils/AttributesCollection.kt
+++ b/src/jsMain/kotlin/dev/inmo/jsuikit/utils/AttributesCollection.kt
@@ -15,6 +15,13 @@ class AttributesCollection<T : Element> (
         attrs()
     }
 
+    operator fun plus(other: AttributesCollection<T>) = AttributesCollection<T>(
+        *(modifiers + other.modifiers).distinct().toTypedArray()
+    ) {
+        this@AttributesCollection.attrs.invoke(this)
+        other.attrs.invoke(this)
+    }
+
     companion object {
         val Empty = Attrs<Element>()