diff --git a/hospitrack-server/requirements.txt b/hospitrack-server/requirements.txt
index 4bb38e8..ee44fbb 100644
--- a/hospitrack-server/requirements.txt
+++ b/hospitrack-server/requirements.txt
@@ -12,7 +12,7 @@ certifi==2019.11.28
 cffi==1.14.0
 chardet==3.0.4
 click==7.1.1
-cryptography==2.8
+cryptography==3.2
 Flask==1.1.1
 idna==2.9
 isodate==0.6.0