diff --git a/composer.json b/composer.json
index 61f81e02bf4bdda922a4d1237d4e7017b7c259f8..9ba45fd3a364a6fe6e81c48952574f4406c1a4b0 100644
--- a/composer.json
+++ b/composer.json
@@ -2,13 +2,20 @@
   "name": "grpc/grpc",
   "type": "library",
   "description": "gRPC library for PHP",
-  "version": "0.6.0",
+  "version": "0.13.0",
   "keywords": ["rpc"],
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",
+  "repositories": [
+    {
+      "type": "vcs",
+      "url": "https://github.com/stanley-cheung/Protobuf-PHP"
+    }
+  ],
   "require": {
     "php": ">=5.5.0",
-    "google/auth": "dev-master"
+    "datto/protobuf-php": "dev-master",
+    "google/auth": "v0.7"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/php/composer.json b/src/php/composer.json
index 1d41f847ac03bf25a7be2976c52abbe2ad9bdd7d..59f846fdcc6bf01f9f0d1fa5072f6d4f7007bf59 100644
--- a/src/php/composer.json
+++ b/src/php/composer.json
@@ -1,7 +1,9 @@
 {
   "name": "grpc/grpc",
+  "type": "library",
   "description": "gRPC library for PHP",
-  "version": "0.6.0",
+  "version": "0.13.0",
+  "keywords": ["rpc"],
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",
   "repositories": [
@@ -13,7 +15,7 @@
   "require": {
     "php": ">=5.5.0",
     "datto/protobuf-php": "dev-master",
-    "google/auth": "dev-master"
+    "google/auth": "v0.7"
   },
   "autoload": {
     "psr-4": {