diff --git a/package-lock.json b/package-lock.json
index 490a538..5b34767 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@wikimedia/language-data",
-  "version": "0.2.2",
+  "version": "1.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 02ccf8c..e678d6b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wikimedia/language-data",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Language data and utilities.",
   "homepage": "https://language-data.readthedocs.io/en/latest/index.html",
   "keywords": [