diff --git a/karma.conf.cjs b/karma.conf.cjs
index b3c8d77..148fe82 100644
--- a/karma.conf.cjs
+++ b/karma.conf.cjs
@@ -57,6 +57,21 @@ module.exports = function (config) {
             test: /\.d\.ts$/,
             loader: "ignore-loader",
           },
+          {
+            test: require.resolve("@waku/core"),
+            loader: "expose-loader",
+            options: "@waku/core",
+          },
+          {
+            test: require.resolve("@waku/proto"),
+            loader: "expose-loader",
+            options: "@waku/proto",
+          },
+          {
+            test: require.resolve("@waku/interfaces"),
+            loader: "expose-loader",
+            options: "@waku/interfaces",
+          },
         ],
       },
       output,