diff --git a/karma.conf.cjs b/karma.conf.cjs
index d72f88378a..febf1611b4 100644
--- a/karma.conf.cjs
+++ b/karma.conf.cjs
@@ -23,10 +23,12 @@ module.exports = function (config) {
         rules: [
           {
             test: /\.(js|tsx?)$/,
-            use: [{
-              loader: 'ts-loader',
-              options: { configFile: 'tsconfig.karma.json' }
-            }],
+            use: [
+              {
+                loader: "ts-loader",
+                options: { configFile: "tsconfig.karma.json" },
+              },
+            ],
             exclude: /(node_modules)|(node\.spec\.ts)/,
           },
           {
@@ -47,7 +49,7 @@ module.exports = function (config) {
         extensions: [".ts", ".js"],
       },
       stats: { warnings: false },
-      devtool: 'inline-source-map'
+      devtool: "inline-source-map",
     },
   });
 };
diff --git a/package.json b/package.json
index 5526607a70..a3df636c0f 100644
--- a/package.json
+++ b/package.json
@@ -186,7 +186,7 @@
     "*.ts": [
       "eslint --fix"
     ],
-    "*.{ts,json,conf.js}": [
+    "*.{ts,json,conf*.*js}": [
       "prettier --write"
     ]
   }
diff --git a/rollup.config.js b/rollup.config.js
index fd6b347c40..2f62f9ed77 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -8,7 +8,7 @@ export default {
     "lib/create_waku": "dist/lib/create_waku.js",
     "lib/peer_discovery_dns": "dist/lib/peer_discovery_dns/index.js",
     "lib/peer_discovery_static_list": "dist/lib/peer_discovery_static_list.js",
-    "lib/predefined_bootstrap_nodes": "dist/lib/predefined_bootstrap_nodes.js"
+    "lib/predefined_bootstrap_nodes": "dist/lib/predefined_bootstrap_nodes.js",
   },
   output: {
     dir: "bundle",