diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c3fd405..ddff82ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Bowser Changelog
 
+### 1.9.1 (December 22, 2017)
+- [FIX] Fix `typings.d.ts` — add `chromium` flag to interface
+
 ### 1.9.0 (December 20, 2017)
 - [ADD] Add a public method `.detect()` (#205)
 - [DOCS] Fix description of `chromium` flag in docs (#206)
diff --git a/package.json b/package.json
index b4ab5482..d303459c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bowser",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "description": "Lightweight browser detector",
   "keywords": [
     "browser",
diff --git a/typings.d.ts b/typings.d.ts
index e43bab24..84af6bd2 100644
--- a/typings.d.ts
+++ b/typings.d.ts
@@ -31,6 +31,7 @@ declare namespace bowser {
 
     export interface IBowserVersions {
         chrome: boolean;
+        chromium: boolean;
         firefox: boolean;
         msie: boolean;
         msedge: boolean;