diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4388fb1..b523d8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+### [3.3.1](https://github.com/manuelbieh/geolib/compare/v3.3.0...v3.3.1) (2020-05-24)
+
+
+### 🔧 Fixes
+
+* add missing wktToPolygon export to UMD build. fixes [#221](https://github.com/manuelbieh/geolib/issues/221) ([e76848b](https://github.com/manuelbieh/geolib/commit/e76848b1f61bcb85d77ccd31b9cbaa176ffbc5b7))
+
 ## [3.3.0](https://github.com/manuelbieh/geolib/compare/v3.2.2...v3.3.0) (2020-05-24)
 
 
diff --git a/package.json b/package.json
index 5f3cfd2..8414654 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "geolib",
-  "version": "3.3.0",
+  "version": "3.3.1",
   "description": "",
   "main": "lib/index.js",
   "module": "es/index.js",