diff --git a/requirements.txt b/requirements.txt
index d18532c..788875c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ cffi==1.12.2
 chardet==3.0.4
 Click==7.0
 coverage==4.5.3
-cryptography==2.6.1
+cryptography==3.2
 decorator==4.3.2
 defusedxml==0.5.0
 entrypoints==0.3