diff --git a/package-lock.json b/package-lock.json
index fb5d75f..283b282 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@jridgewell/gen-mapping",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@jridgewell/gen-mapping",
-      "version": "0.0.0",
+      "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
         "@jridgewell/set-array": "1.0.0",
diff --git a/package.json b/package.json
index e9e1112..ac5a9c5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jridgewell/gen-mapping",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "description": "Generate source maps",
   "keywords": [
     "source",