diff --git a/.gitignore b/.gitignore
index 51832a0..2416b69 100755
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,5 @@ yarn.lock
 lib/lexer.emcc.js
 src/lexer.js
 types/lexer.d.ts
-src/*.mem
\ No newline at end of file
+src/*.mem
+src/lexer.js.map
diff --git a/package.json b/package.json
index a681304..446d9e8 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "es-module-lexer",
-  "version": "1.2.1",
+  "version": "1.3.0",
   "description": "Lexes ES modules returning their import/export metadata",
   "main": "dist/lexer.cjs",
   "module": "dist/lexer.js",