diff --git a/requirements.txt b/requirements.txt
index a5e48c3..8685dc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ click==7.1.1
 click-plugins==1.1.1
 cligj==0.5.0
 configobj==5.0.6
-cryptography==2.8
+cryptography==3.2
 cycler==0.10.0
 decorator==4.4.2
 Fiona==1.8.13.post1