diff --git a/package-lock.json b/package-lock.json
index 5b7cf36fa43f0f..6bd0894f2af29f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -61300,7 +61300,7 @@
 				"@wordpress/hooks": "file:../hooks",
 				"@wordpress/private-apis": "file:../private-apis",
 				"@wordpress/undo-manager": "file:../undo-manager",
-				"diff": "^4.0.2",
+				"diff": "^8.0.3",
 				"fast-deep-equal": "^3.1.3",
 				"lib0": "0.2.99",
 				"y-protocols": "^1.0.5",
@@ -61658,6 +61658,15 @@
 			"dev": true,
 			"license": "MIT"
 		},
+		"packages/sync/node_modules/diff": {
+			"version": "8.0.3",
+			"resolved": "https://registry.npmjs.org/diff/-/diff-8.0.3.tgz",
+			"integrity": "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==",
+			"license": "BSD-3-Clause",
+			"engines": {
+				"node": ">=0.3.1"
+			}
+		},
 		"packages/sync/node_modules/expect": {
 			"version": "30.2.0",
 			"resolved": "https://registry.npmjs.org/expect/-/expect-30.2.0.tgz",
diff --git a/packages/sync/package.json b/packages/sync/package.json
index 1e6b334ecfdedf..f449923312ea30 100644
--- a/packages/sync/package.json
+++ b/packages/sync/package.json
@@ -48,7 +48,7 @@
 		"@wordpress/hooks": "file:../hooks",
 		"@wordpress/private-apis": "file:../private-apis",
 		"@wordpress/undo-manager": "file:../undo-manager",
-		"diff": "^4.0.2",
+		"diff": "^8.0.3",
 		"fast-deep-equal": "^3.1.3",
 		"lib0": "0.2.99",
 		"y-protocols": "^1.0.5",