diff --git a/CHANGELOG.md b/CHANGELOG.md
index 91ffb7f..8960a9b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,14 @@
 # Changelog
 
-## v1.2.0
+## v1.3.1
+
+- return test output filename from `run()` function
+
+## v1.3.0
 - #2 support for ts and tsx components with prop types parsing
 - #5 add an option `--outputDir` to specify a custom output directory relative to the cwd() or absolute path
-## v1.1.0
 
+## v1.1.0
 - #3 Support for static methods in classes
 - #4 .toBeDefined instead of (or in addition to) .toBeTruthy 
 - #6 migrate tests from jasmine to Jest, makes a lot of sense for this project
diff --git a/package.json b/package.json
index 98a8232..ec44374 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jest-test-gen",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Generator of jest unit test with all imports mocked and tests stub for every class and function exported",
   "keywords": [
     "jest",
diff --git a/src/main.ts b/src/main.ts
index 6265995..631d336 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -48,5 +48,6 @@ export function run(args: minimist.ParsedArgs, opts?: TRunOptions) {
     return output;
   }
   console.log('Writing generated test file: ', specFileName);
-  return writeFileSync(specFileName, output);
+  writeFileSync(specFileName, output);
+  return specFileName;
 }
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