diff --git a/kms/attestations/requirements.txt b/kms/attestations/requirements.txt
index 23b26085ffa8..9a251876f98f 100644
--- a/kms/attestations/requirements.txt
+++ b/kms/attestations/requirements.txt
@@ -1,2 +1,2 @@
-cryptography==3.2.1
+cryptography==3.3.1
 pem==20.1.0
diff --git a/kms/snippets/requirements.txt b/kms/snippets/requirements.txt
index 8cb81ca5c7c1..5383f21a0129 100644
--- a/kms/snippets/requirements.txt
+++ b/kms/snippets/requirements.txt
@@ -1,3 +1,3 @@
 google-cloud-kms==2.2.0
-cryptography==3.2.1
+cryptography==3.3.1
 crcmod==1.7