diff --git a/.changeset/whole-stars-marry.md b/.changeset/whole-stars-marry.md
new file mode 100644
index 0000000..2e3f7d2
--- /dev/null
+++ b/.changeset/whole-stars-marry.md
@@ -0,0 +1,5 @@
+---
+"@labdigital/graphql-fetcher": patch
+---
+
+Resolve ESM import issue
diff --git a/tsdown.config.js b/tsdown.config.js
index afc5e1a..67f73f8 100644
--- a/tsdown.config.js
+++ b/tsdown.config.js
@@ -9,6 +9,7 @@ export default defineConfig([
 		sourcemap: true,
 		format: ["esm", "cjs"],
 		outDir: "dist",
+		fixedExtension: false,
 	},
 	{
 		entry: ["src/server.ts"],
@@ -18,5 +19,6 @@ export default defineConfig([
 		sourcemap: true,
 		format: ["esm", "cjs"],
 		outDir: "dist",
+		fixedExtension: false,
 	},
 ]);