diff --git a/cuckoo/requirements.txt b/cuckoo/requirements.txt
index 047df10..8ad5ca1 100644
--- a/cuckoo/requirements.txt
+++ b/cuckoo/requirements.txt
@@ -2,7 +2,7 @@ alembic==0.8.0
 beautifulsoup4==4.4.1
 cffi==1.6.0
 chardet==2.3.0
-cryptography==1.3.2
+cryptography==3.3.2
 Django==1.8.4
 dpkt==1.8.7
 ecdsa==0.13