diff --git a/requirements.txt b/requirements.txt
index 3e60018..9e54352 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.24.0
 atomicwrites==1.2.1
 attrs==18.2.0
 cffi==1.11.5
-cryptography==2.3.1
+cryptography==3.2
 filelock==3.0.9
 idna==2.7
 more-itertools==4.3.0