diff --git a/requirements.txt b/requirements.txt
index 784df42e..01ec8093 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ urllib3==1.26.2
 pytest<=3.3.2
 pytest-cov>=2.4.0, <2.6.1
 coverage<=5.3
-cryptography==3.2
+cryptography==3.3.2
 yamlreader==3.0.4
 pluggy>=0.5, <0.7
 packaging==20.8