diff --git a/scholl-app/requirements.txt b/scholl-app/requirements.txt
index 3929961..293d16f 100644
--- a/scholl-app/requirements.txt
+++ b/scholl-app/requirements.txt
@@ -15,7 +15,7 @@ chardet==3.0.4
 colorama==0.4.3
 constantly==15.1.0
 contextlib2==0.6.0
-cryptography==2.9
+cryptography==3.3.2
 daphne==2.5.0
 distlib==0.3.0
 distro==1.4.0