diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c4182b..1e55220 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Angular highlight.js Changelog
 
+## 2.1.1
+
+- refactor(HighlightJS): Add types on parameters in hljs functions, fixed in [#40](https://github.com/MurhafSousli/ngx-highlightjs/pull/40)
+
 ## 2.1.0
 
 - feat(HighlightJS): Expose HighlightJS service with original functions, closes [#37](https://github.com/MurhafSousli/ngx-highlightjs/issues/37) in [90a8e17](https://github.com/MurhafSousli/ngx-highlightjs/commit/90a8e17e23da840395933c5657e09d693c086ebe).
diff --git a/projects/ngx-highlightjs/package.json b/projects/ngx-highlightjs/package.json
index 27fc0f7..f1369cb 100644
--- a/projects/ngx-highlightjs/package.json
+++ b/projects/ngx-highlightjs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ngx-highlightjs",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "peerDependencies": {
     "@angular/common": "^6.0.0-rc.0 || ^6.0.0",
     "@angular/core": "^6.0.0-rc.0 || ^6.0.0"