diff --git a/requirements.txt b/requirements.txt
index 5152b3b..e4d4709 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ constantly==15.1.0
 contextlib2==0.6.0.post1
 coverage==5.3
 crcmod==1.7
-cryptography==3.2
+cryptography==39.0.1
 cssselect==1.1.0
 curtsies==0.3.4
 cx-Oracle==7.3.0