diff --git a/packages/google-cloud-redis/synth.py b/packages/google-cloud-redis/synth.py
index 0f12ecca6008..067dc96047fb 100644
--- a/packages/google-cloud-redis/synth.py
+++ b/packages/google-cloud-redis/synth.py
@@ -97,3 +97,5 @@
 # ----------------------------------------------------------------------------
 templated_files = common.py_library(unit_cov_level=97, cov_level=100)
 s.move(templated_files)
+
+s.shell.run(["nox", "-s", "blacken"], hide_output=False)