diff --git a/kms/attestations/noxfile.py b/kms/attestations/noxfile.py
index 4c808af73ea2..949e0fde9ae1 100644
--- a/kms/attestations/noxfile.py
+++ b/kms/attestations/noxfile.py
@@ -29,7 +29,7 @@
 # WARNING - WARNING - WARNING - WARNING - WARNING
 # WARNING - WARNING - WARNING - WARNING - WARNING
 
-BLACK_VERSION = "black==19.10b0"
+BLACK_VERSION = "black==22.3.0"
 
 # Copy `noxfile_config.py` to your directory and modify it instead.
 
diff --git a/kms/snippets/noxfile.py b/kms/snippets/noxfile.py
index 4c808af73ea2..949e0fde9ae1 100644
--- a/kms/snippets/noxfile.py
+++ b/kms/snippets/noxfile.py
@@ -29,7 +29,7 @@
 # WARNING - WARNING - WARNING - WARNING - WARNING
 # WARNING - WARNING - WARNING - WARNING - WARNING
 
-BLACK_VERSION = "black==19.10b0"
+BLACK_VERSION = "black==22.3.0"
 
 # Copy `noxfile_config.py` to your directory and modify it instead.