diff --git a/package-lock.json b/package-lock.json
index 1a6fd91..40d235c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "focus-visible",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "focus-visible",
-      "version": "5.2.0",
+      "version": "5.2.1",
       "license": "W3C",
       "devDependencies": {
         "@webcomponents/webcomponentsjs": "^2.2.10",
diff --git a/package.json b/package.json
index 12a218e..ac6e212 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "focus-visible",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "description": "Polyfill for :focus-visible pseudo-selector",
   "scripts": {
     "build": "rollup -c",