diff --git a/packages/tsconfig/tsconfig.esm-only.json b/packages/tsconfig/tsconfig.esm-only.json
index 268e135..e431e6b 100644
--- a/packages/tsconfig/tsconfig.esm-only.json
+++ b/packages/tsconfig/tsconfig.esm-only.json
@@ -12,5 +12,6 @@
     "incremental": true,
     "composite": true,
     "isolatedDeclarations": true
-  }
+  },
+  "include": ["${configDir}/src"]
 }