diff --git a/tests/_utils/memory.js b/tests/_utils/memory.js
index 1d06fc5f..fa02e357 100644
--- a/tests/_utils/memory.js
+++ b/tests/_utils/memory.js
@@ -27,7 +27,7 @@ export function describeMemoryUsage( callback ) {
 export function testMemoryUsage( testName, editorCreator ) {
 	for ( let i = 0; i < 20; i++ ) {
 		it.only( testName, function() {
-			this.timeout( 4000 );
+			this.timeout( 5000 );
 
 			return runTest( editorCreator );
 		} );