diff --git a/tests/requirements.txt b/tests/requirements.txt
index 4790a394..3875be5e 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -10,7 +10,7 @@ cfn-lint==0.33.2
 cfnresponse==1.0.2
 chardet==3.0.4
 coverage==5.1
-cryptography==2.9.2
+cryptography==41.0.3
 decorator==4.4.2
 docker==4.2.1
 docutils==0.15.2