diff --git a/setup.py b/setup.py
index eea8633..2311ec0 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
 # 'Development Status :: 4 - Beta'
 # 'Development Status :: 5 - Production/Stable'
 release_status = "Development Status :: 4 - Beta"
-dependencies = ["google-api-core >= 1.16.0, < 2.0.0dev"]
+dependencies = ["google-api-core >= 1.19.0, < 2.0.0dev"]
 extras = {"grpc": "grpcio >= 1.8.2, < 2.0dev"}