diff --git a/examples/php/composer.json b/examples/php/composer.json
index a8b790b1de1..d40b5db059e 100644
--- a/examples/php/composer.json
+++ b/examples/php/composer.json
@@ -3,6 +3,6 @@
   "description": "gRPC example for PHP",
   "minimum-stability": "dev",
   "require": {
-    "grpc/grpc": "v0.15.0"
+    "grpc/grpc": "v0.15.2"
   }
 }
diff --git a/src/php/composer.json b/src/php/composer.json
index 88418206e82..1eacc643a22 100644
--- a/src/php/composer.json
+++ b/src/php/composer.json
@@ -8,7 +8,9 @@
   "version": "1.0.0",
   "require": {
     "php": ">=5.5.0",
-    "stanley-cheung/protobuf-php": "v0.6",
+    "stanley-cheung/protobuf-php": "v0.6"
+  },
+  "require-dev": {
     "google/auth": "v0.9"
   },
   "autoload": {