diff --git a/composer.json b/composer.json
index 1d78a2ce210bc270c7fccdd28a2f17167a1c14bb..61f81e02bf4bdda922a4d1237d4e7017b7c259f8 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "grpc/grpc",
   "type": "library",
   "description": "gRPC library for PHP",
-  "version": "0.5.1",
+  "version": "0.6.0",
   "keywords": ["rpc"],
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",
diff --git a/src/php/composer.json b/src/php/composer.json
index 2d0fe0c87a296fb6e6edc0059a95995dd22d8d97..1d41f847ac03bf25a7be2976c52abbe2ad9bdd7d 100644
--- a/src/php/composer.json
+++ b/src/php/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "grpc/grpc",
   "description": "gRPC library for PHP",
-  "version": "0.5.1",
+  "version": "0.6.0",
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",
   "repositories": [