diff --git a/dev.requirements.txt b/dev.requirements.txt
index db3c25b..cf127de 100644
--- a/dev.requirements.txt
+++ b/dev.requirements.txt
@@ -12,7 +12,7 @@ cffi==1.14.5
 chardet==4.0.0
 charset-normalizer==2.0.9
 click==7.1.2
-cryptography==3.4.6
+cryptography==39.0.1
 flake8==3.8.4
 frozenlist==1.2.0
 gallerist==0.0.6