diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddff82e..fa5e7a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,10 @@
 # Bowser Changelog
 
+### 1.9.2 (February 5, 2018)
+- [FIX] Fix `typings.d.ts` — add `osname` flag to the interface
+
 ### 1.9.1 (December 22, 2017)
-- [FIX] Fix `typings.d.ts` — add `chromium` flag to interface
+- [FIX] Fix `typings.d.ts` — add `chromium` flag to the interface
 
 ### 1.9.0 (December 20, 2017)
 - [ADD] Add a public method `.detect()` (#205)
diff --git a/bower.json b/bower.json
index 974dcd2..4df7f05 100644
--- a/bower.json
+++ b/bower.json
@@ -11,7 +11,7 @@
     "ender",
     "sniff"
   ],
-  "version": "1.9.0",
+  "version": "1.9.2",
   "homepage": "https://github.com/lancedikson/bowser",
   "scripts": [
     "src/bowser.js"
diff --git a/package.json b/package.json
index d303459..bc1e6df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bowser",
-  "version": "1.9.1",
+  "version": "1.9.2",
   "description": "Lightweight browser detector",
   "keywords": [
     "browser",
diff --git a/typings.d.ts b/typings.d.ts
index 84af6bd..cb247c2 100644
--- a/typings.d.ts
+++ b/typings.d.ts
@@ -79,10 +79,13 @@ declare namespace bowser {
         c: boolean;
         /** Grade X browser */
         x: boolean;
-        /**A human readable name for this browser. E.g. 'Chrome', '' */
+        /** A human readable name for this browser. E.g. 'Chrome', '' */
         name: string;
-        /**Version number for the browser. E.g. '32.0' */
+        /** Version number for the browser. E.g. '32.0' */
         version: string|number;
+        /** Name for this operating system. E.g. 'macOS' */
+        osname: string;
+        /** Version number for this operating system. E.g. '10.12.6' */ 
         osversion: string|number;
     }