diff --git a/CHANGELOG.md b/CHANGELOG.md
index 101478e1b..52da27e46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,18 @@
+# [18.0.0](https://github.com/terrestris/ol-util/compare/v17.0.1...v18.0.0) (2024-05-14)
+
+
+### Features
+
+* add wms layer type utils ([adb1ca4](https://github.com/terrestris/ol-util/commit/adb1ca490a43a903ce764cb02d6b493a285fb702))
+* remove duplicate `WMSLayer` type ([fa82fdd](https://github.com/terrestris/ol-util/commit/fa82fddbeeaf0cdc84fecce5e4599156d7d39993))
+
+
+### BREAKING CHANGES
+
+* removes the `WMSLayer` type from `MapUtils`. Use `WmsLayer` from typeUtils instead.
+* removes the `LayerUtil.isOlSource(source)` etc. functions in favor of
+`instanceof` checks
+
 ## [17.0.1](https://github.com/terrestris/ol-util/compare/v17.0.0...v17.0.1) (2024-05-10)
 
 
diff --git a/package-lock.json b/package-lock.json
index fe9557ed9..bf850473e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@terrestris/ol-util",
-  "version": "17.0.1",
+  "version": "18.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@terrestris/ol-util",
-      "version": "17.0.1",
+      "version": "18.0.0",
       "license": "BSD-2-Clause",
       "dependencies": {
         "@mapbox/node-pre-gyp": "^1.0.11",
diff --git a/package.json b/package.json
index 877f76af5..8ed577ca0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@terrestris/ol-util",
-  "version": "17.0.1",
+  "version": "18.0.0",
   "description": "A set of helper classes for working with openLayers",
   "module": "src/index.ts",
   "main": "dist/index.js",