diff --git a/package.json b/package.json
index ccf9ba3..dda17aa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cath",
-  "version": "1.3.8-dev",
+  "version": "1.3.9",
   "description": "A powerful package that can interact with Cath API",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
diff --git a/tsconfig.json b/tsconfig.json
index 721ee0e..5e26e82 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,7 +6,7 @@
     "target": "ESNext",
     "declaration": true,
     "outDir": "dist",
-    "sourceMap": true,
+    "sourceMap": false,
     "esModuleInterop": true,
     "experimentalDecorators": true,
     "emitDecoratorMetadata": true,