PHP: update examples
diff --git a/examples/php/composer.json b/examples/php/composer.json
index 3d1a95d..f0b9977 100644
--- a/examples/php/composer.json
+++ b/examples/php/composer.json
@@ -2,7 +2,11 @@
   "name": "grpc/grpc-demo",
   "description": "gRPC example for PHP",
   "require": {
-    "ext-grpc": "*",
-    "grpc/grpc": "v1.0.0"
+    "grpc/grpc": "v1.1.0"
+  },
+  "autoload": {
+    "psr-4": {
+      "": "route_guide/"
+    }
   }
 }