diff --git a/spanner/setup.py b/spanner/setup.py
index ea9cea88bd6d..8b984c4a7f61 100644
--- a/spanner/setup.py
+++ b/spanner/setup.py
@@ -51,7 +51,7 @@
 
 
 REQUIREMENTS = [
-    'google-cloud-core >= 0.24.1, < 0.25dev',
+    'google-cloud-core >= 0.25.0, < 0.26dev',
     'grpcio >= 1.2.0, < 2.0dev',
     'gapic-google-cloud-spanner-v1 >= 0.15.0, < 0.16dev',
     'gapic-google-cloud-spanner-admin-database-v1 >= 0.15.0, < 0.16dev',
@@ -60,7 +60,7 @@
 
 setup(
     name='google-cloud-spanner',
-    version='0.24.2',
+    version='0.25.0',
     description='Python Client for Cloud Spanner',
     long_description=README,
     namespace_packages=[