diff --git a/kerr/block-template-parts/header.html b/kerr/block-template-parts/header.html
index 86b11824b6..6755b4fc77 100644
--- a/kerr/block-template-parts/header.html
+++ b/kerr/block-template-parts/header.html
@@ -9,6 +9,6 @@
 	</div>
 	<!-- /wp:group -->
 
-	<!-- wp:navigation {"className":"is-style-blockbase-navigation-improved-responsive","itemsJustification":"right","isResponsive":true,"__unstableLocation":"primary","__unstableSocialLinks":"social"} /-->
+	<!-- wp:navigation {"className":"is-style-blockbase-navigation-improved-responsive","itemsJustification":"right","overlayMenu":"mobile","__unstableLocation":"primary","__unstableSocialLinks":"social"} /-->
 </div>
 <!-- /wp:group -->
diff --git a/payton/block-template-parts/header.html b/payton/block-template-parts/header.html
index a6518a5510..bd82565267 100644
--- a/payton/block-template-parts/header.html
+++ b/payton/block-template-parts/header.html
@@ -1,6 +1,6 @@
 <!-- wp:group {"tagName":"header","style":{"spacing":{"padding":{"top":"10px"}}},"className":"site-header"} -->
 <header class="wp-block-group site-header" style="padding-top:10px">
-	<!-- wp:navigation {"itemsJustification":"center","isResponsive":true,"__unstableLocation":"primary","style":{"typography":{"fontFamily":"var:preset|font-family|overpass"}},"fontSize":"small"} -->
+	<!-- wp:navigation {"itemsJustification":"center","overlayMenu":"mobile","__unstableLocation":"primary","style":{"typography":{"fontFamily":"var:preset|font-family|overpass"}},"fontSize":"small"} -->
 	<!-- /wp:navigation -->
 
 	<!-- wp:separator {"color":"tertiary","align":"full","className":"is-style-wide"} -->
diff --git a/russell/block-template-parts/header.html b/russell/block-template-parts/header.html
index 86b11824b6..6755b4fc77 100644
--- a/russell/block-template-parts/header.html
+++ b/russell/block-template-parts/header.html
@@ -9,6 +9,6 @@
 	</div>
 	<!-- /wp:group -->
 
-	<!-- wp:navigation {"className":"is-style-blockbase-navigation-improved-responsive","itemsJustification":"right","isResponsive":true,"__unstableLocation":"primary","__unstableSocialLinks":"social"} /-->
+	<!-- wp:navigation {"className":"is-style-blockbase-navigation-improved-responsive","itemsJustification":"right","overlayMenu":"mobile","__unstableLocation":"primary","__unstableSocialLinks":"social"} /-->
 </div>
 <!-- /wp:group -->
diff --git a/zoologist/block-template-parts/header.html b/zoologist/block-template-parts/header.html
index 3e3a31d279..917dc0deea 100644
--- a/zoologist/block-template-parts/header.html
+++ b/zoologist/block-template-parts/header.html
@@ -9,6 +9,6 @@
 	</div>
 	<!-- /wp:group -->
 
-	<!-- wp:navigation {"itemsJustification":"right","isResponsive":true,"__unstableLocation":"primary","__unstableSocialLinks":"social"} /-->
+	<!-- wp:navigation {"itemsJustification":"right","overlayMenu":"mobile","__unstableLocation":"primary","__unstableSocialLinks":"social"} /-->
 </header>
 <!-- /wp:group -->