diff --git a/tsconfig.json b/tsconfig.json
index 539fc69..01f7709 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -21,8 +21,8 @@
     "resolveJsonModule": true,
     "lib": ["es2017"]
   },
-  "include": ["src/**/*.ts"],
-  "exclude": ["node_modules", "**/*.d.ts", "**/*.test.ts"],
+  "include": ["src/**/*.ts", "**/*.test.ts"],
+  "exclude": ["node_modules", "**/*.d.ts"],
   "typedocOptions": {
     "entryPoints": ["./src/index.ts"],
     "out": "docs"
diff --git a/tsconfig.webpack.json b/tsconfig.webpack.json
new file mode 100644
index 0000000..cc8e75d
--- /dev/null
+++ b/tsconfig.webpack.json
@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": ["node_modules", "**/*.d.ts", "**/*.test.ts"]
+}
diff --git a/webpack.config.ts b/webpack.config.ts
index c32c92b..6348eef 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -11,7 +11,12 @@ export const config: webpack.Configuration = {
         test: (modulePath: string): boolean => {
           return modulePath.endsWith('.ts') && !modulePath.endsWith('test.ts');
         },
-        use: 'ts-loader',
+        use: [
+          {
+            loader: 'ts-loader',
+            options: { configFile: 'tsconfig.webpack.json' },
+          },
+        ],
         exclude: /node_modules/,
       },
     ],