diff --git a/test_utils/setup.py b/test_utils/setup.py
index b913d6e0f1dd7..c496dc5042aaf 100644
--- a/test_utils/setup.py
+++ b/test_utils/setup.py
@@ -49,7 +49,7 @@
 
 
 REQUIREMENTS = [
-    'google-cloud-core >= 0.24.0, < 0.25dev',
+    'google-cloud-core >= 0.25.0, < 0.26dev',
     'google-auth >= 0.4.0',
     'six',
 ]