diff --git a/packages/grafeas/setup.py b/packages/grafeas/setup.py
index 17f72ac8957e..62fbae2dc527 100644
--- a/packages/grafeas/setup.py
+++ b/packages/grafeas/setup.py
@@ -24,7 +24,7 @@
 version = "0.2.0"
 release_status = "Development Status :: 3 - Alpha"
 dependencies = [
-    "google-api-core[grpc] >= 1.6.0, < 2.0.0dev",
+    "google-api-core[grpc] >= 1.14.0, < 2.0.0dev",
     'enum34; python_version < "3.4"',
 ]