diff --git a/requirements.txt b/requirements.txt
index c2a23b8..fec5483 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ beautifulsoup4==4.6.3
 certifi==2018.8.24
 cffi==1.11.5
 chardet==3.0.4
-cryptography==3.3.2
+cryptography==39.0.1
 cycler==0.10.0
 h5py==2.9.0
 idna==2.7