diff --git a/test/runtime-integration/webpack-3/webpack.config.js b/test/runtime-integration/webpack-3/webpack.config.js
index 02973e287b29..778c5d6905e2 100644
--- a/test/runtime-integration/webpack-3/webpack.config.js
+++ b/test/runtime-integration/webpack-3/webpack.config.js
@@ -5,6 +5,7 @@ module.exports = {
   output: {
     path: __dirname,
     filename: "output.js",
+    hashFunction: "sha256",
   },
 
   devtool: false,
diff --git a/test/runtime-integration/webpack-4/webpack.config.js b/test/runtime-integration/webpack-4/webpack.config.js
index 07376c8c6804..e0139d38b01e 100644
--- a/test/runtime-integration/webpack-4/webpack.config.js
+++ b/test/runtime-integration/webpack-4/webpack.config.js
@@ -7,6 +7,7 @@ module.exports = {
   output: {
     path: __dirname,
     filename: "output.js",
+    hashFunction: "sha256",
   },
 
   devtool: false,