diff --git a/noxfile.py b/noxfile.py
index 7bab302f2..e7bbab0d4 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -28,7 +28,7 @@
 
 DEFAULT_PYTHON_VERSION = "3.8"
 SYSTEM_TEST_PYTHON_VERSIONS = ["2.7", "3.8"]
-UNIT_TEST_PYTHON_VERSIONS = ["2.7", "3.5", "3.6", "3.7", "3.8"]
+UNIT_TEST_PYTHON_VERSIONS = ["2.7", "3.6", "3.7", "3.8", "3.9"]
 
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)
diff --git a/synth.metadata b/synth.metadata
index 30e931c05..7eb48fd16 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-storage.git",
-        "sha": "50b43d95863a0c3ede1feeff3e09346b495a539c"
+        "sha": "59d859f2a80860d66135f656c4660b95937fce64"
       }
     },
     {