diff --git a/requirements.txt b/requirements.txt
index 913f055..d00fee1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ botocore==1.15.8
 certifi==2019.11.28
 cffi==1.14.0
 chardet==3.0.4
-cryptography==2.8
+cryptography==42.0.2
 docutils==0.15.2
 idna==2.9
 Jinja2==2.11.1
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 4fb3126..0db9c5c 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -5,7 +5,7 @@ awscli==1.18.32
 botocore==1.15.32
 cffi==1.14.0
 colorama==0.4.3
-cryptography==2.8
+cryptography==42.0.2
 docopt==0.6.2
 docutils==0.15.2
 importlib-metadata==1.6.0