diff --git a/package-lock.json b/package-lock.json
index 5e6485c..fca38a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "iso-639-1",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "iso-639-1",
-      "version": "3.1.0",
+      "version": "3.1.1",
       "license": "MIT",
       "devDependencies": {
         "babel-loader": "^9.1.3",
diff --git a/package.json b/package.json
index da9fe4e..1b5534c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iso-639-1",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "ISO-639-1 codes",
   "main": "./src/index.js",
   "type": "commonjs",