diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2ebfb2..5d4cf4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [2.2.1] - 2024-09-09
+
+- Ignore empty string passed into `persistTags` option (@NukeJS)
+
 ## [2.2.0] - 2024-02-15
 
 - Improve performance by reusing parsed document throughout visit
@@ -42,6 +46,7 @@
 
 - Initial release
 
+[2.2.1]: https://github.com/swup/head-plugin/releases/tag/2.2.1
 [2.2.0]: https://github.com/swup/head-plugin/releases/tag/2.2.0
 [2.1.2]: https://github.com/swup/head-plugin/releases/tag/2.1.2
 [2.1.1]: https://github.com/swup/head-plugin/releases/tag/2.1.1
diff --git a/package-lock.json b/package-lock.json
index 74be083..d18e75f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@swup/head-plugin",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@swup/head-plugin",
-      "version": "2.2.0",
+      "version": "2.2.1",
       "license": "MIT",
       "dependencies": {
         "@swup/plugin": "^4.0.0"
diff --git a/package.json b/package.json
index 9ad9c74..3643a9b 100755
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@swup/head-plugin",
   "amdName": "SwupHeadPlugin",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "A swup plugin for updating the contents of the head tag",
   "type": "module",
   "source": "src/index.ts",