diff --git a/History.md b/History.md
index 172a9a3153..d89de90c32 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,9 @@
 
+1.7.3 / 2017-02-17
+===================
+
+  * [chore] Bump engine.io to version 1.8.3
+
 1.7.2 / 2016-12-11
 ===================
 
diff --git a/package.json b/package.json
index 460db484ce..c000d1a2bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "socket.io",
-  "version": "1.7.2",
+  "version": "1.7.3",
   "description": "node.js realtime framework server",
   "keywords": [
     "realtime",
@@ -29,7 +29,7 @@
     "has-binary": "0.1.7",
     "object-assign": "4.1.0",
     "socket.io-adapter": "0.5.0",
-    "socket.io-client": "1.7.2",
+    "socket.io-client": "1.7.3",
     "socket.io-parser": "2.3.1"
   },
   "devDependencies": {