diff --git a/requirements.txt b/requirements.txt
index 76d9af9..6deb946 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ cached-property==1.3.0
 cffi==1.12.3
 coreapi==2.3.3
 coreschema==0.0.4
-cryptography==2.6.1
+cryptography==3.2
 DBUtils==1.3
 defusedxml==0.5.0
 Django==1.10