diff --git a/tutorials/Web/Building_UI/README.md b/tutorials/Web/Building_UI/README.md
index 7a34668260..d455c5528e 100644
--- a/tutorials/Web/Building_UI/README.md
+++ b/tutorials/Web/Building_UI/README.md
@@ -214,7 +214,7 @@ fun main() {
             attrs = {
                 id("elementId")
                 classes("cl1", "cl2")
-                hidden(false)
+                hidden()
                 title("title")
                 draggable(Draggable.Auto)
                 dir(DirType.Auto)
diff --git a/web/gradle.properties b/web/gradle.properties
index 1923401964..808ffdd5b5 100644
--- a/web/gradle.properties
+++ b/web/gradle.properties
@@ -1,3 +1,3 @@
-COMPOSE_CORE_VERSION=0.5.0-build226
+COMPOSE_CORE_VERSION=0.5.0-build227
 COMPOSE_WEB_VERSION=0.0.16-SNAPSHOT
 COMPOSE_WEB_BUILD_WITH_EXAMPLES=false