diff --git a/requirements.txt b/requirements.txt
index aad5c9d..4dcac21 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cffi==1.11.5
 chardet==3.0.4
 configobj==5.0.6
 coverage==4.5.1
-cryptography==2.3
+cryptography==3.2
 decorator==4.2.1
 MarkupSafe==0.23
 pycairo==1.16.3