diff --git a/browsers.json b/browsers.json
index 968c90dc6e..3ca544ea0a 100644
--- a/browsers.json
+++ b/browsers.json
@@ -13,7 +13,7 @@
     },
     {
       "name": "webkit",
-      "revision": "1428",
+      "revision": "1432",
       "download": true
     },
     {
diff --git a/src/server/webkit/protocol.ts b/src/server/webkit/protocol.ts
index 9d1d983adb..8d34bcd74c 100644
--- a/src/server/webkit/protocol.ts
+++ b/src/server/webkit/protocol.ts
@@ -2806,6 +2806,52 @@ export module Protocol {
     }
     export type highlightFrameReturnValue = {
     }
+    /**
+     * Shows a grid overlay for a node that begins a 'grid' layout context. The command has no effect if <code>nodeId</code> is invalid or the associated node does not begin a 'grid' layout context. A node can only have one grid overlay at a time; subsequent calls with the same <code>nodeId</code> will override earlier calls.
+     */
+    export type showGridOverlayParameters = {
+      /**
+       * The node for which a grid overlay should be shown.
+       */
+      nodeId: NodeId;
+      /**
+       * The primary color to use for the grid overlay.
+       */
+      gridColor: RGBAColor;
+      /**
+       * Show labels for grid line names. If not specified, the default value is false.
+       */
+      showLineNames?: boolean;
+      /**
+       * Show labels for grid line numbers. If not specified, the default value is false.
+       */
+      showLineNumbers?: boolean;
+      /**
+       * Show grid lines that extend beyond the bounds of the grid. If not specified, the default value is false.
+       */
+      showExtendedGridlines?: boolean;
+      /**
+       * Show grid track size information. If not specified, the default value is false.
+       */
+      showTrackSizes?: boolean;
+      /**
+       * Show labels for grid area names. If not specified, the default value is false.
+       */
+      showAreaNames?: boolean;
+    }
+    export type showGridOverlayReturnValue = {
+    }
+    /**
+     * Hides a grid overlay for a node that begins a 'grid' layout context. The command has no effect if <code>nodeId</code> is specified and invalid, or if there is not currently an overlay set for the <code>nodeId</code>.
+     */
+    export type hideGridOverlayParameters = {
+      /**
+       * The node for which a grid overlay should be hidden. If a <code>nodeId</code> is not specified, all grid overlays will be hidden.
+       */
+      nodeId?: NodeId;
+    }
+    export type hideGridOverlayReturnValue = {
+    }
     /**
      * Requests that the node is sent to the caller given its path.
      */
@@ -8609,6 +8655,8 @@ the top of the viewport and Y increases as it proceeds towards the bottom of the
     "DOM.highlightNodeList": DOM.highlightNodeListParameters;
     "DOM.hideHighlight": DOM.hideHighlightParameters;
     "DOM.highlightFrame": DOM.highlightFrameParameters;
+    "DOM.showGridOverlay": DOM.showGridOverlayParameters;
+    "DOM.hideGridOverlay": DOM.hideGridOverlayParameters;
     "DOM.pushNodeByPathToFrontend": DOM.pushNodeByPathToFrontendParameters;
     "DOM.resolveNode": DOM.resolveNodeParameters;
     "DOM.getAttributes": DOM.getAttributesParameters;
@@ -8894,6 +8942,8 @@ the top of the viewport and Y increases as it proceeds towards the bottom of the
     "DOM.highlightNodeList": DOM.highlightNodeListReturnValue;
     "DOM.hideHighlight": DOM.hideHighlightReturnValue;
     "DOM.highlightFrame": DOM.highlightFrameReturnValue;
+    "DOM.showGridOverlay": DOM.showGridOverlayReturnValue;
+    "DOM.hideGridOverlay": DOM.hideGridOverlayReturnValue;
     "DOM.pushNodeByPathToFrontend": DOM.pushNodeByPathToFrontendReturnValue;
     "DOM.resolveNode": DOM.resolveNodeReturnValue;
     "DOM.getAttributes": DOM.getAttributesReturnValue;