diff --git a/python/Mytodolist/requirements.txt b/python/Mytodolist/requirements.txt
index a5c5ce3..c2c8eed 100644
--- a/python/Mytodolist/requirements.txt
+++ b/python/Mytodolist/requirements.txt
@@ -35,7 +35,7 @@ conda==4.6.12
 conda-build==3.15.1
 constantly==15.1.0
 contextlib2==0.5.5
-cryptography==2.6.1
+cryptography==39.0.1
 cycler==0.10.0
 Cython==0.28.5
 cytoolz==0.9.0.1