diff --git a/setup.py b/setup.py
index 653742a..642313c 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@
 with io.open(readme_filename, encoding="utf-8") as readme_file:
     readme = readme_file.read()
 
-version = "1.12.2"
+version = "1.12.3"
 
 setup(
     name="google-api-python-client",