diff --git a/requirements.txt b/requirements.txt
index 77212fb..3d2bd54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ cffi==1.11.5
 chardet==3.0.4
 cliff==2.11.0
 cmd2==0.8.5
-cryptography==2.5
+cryptography==3.2
 debtcollector==1.19.0
 decorator==4.3.0
 deprecation==2.0.2