diff --git a/requirements.txt b/requirements.txt
index 26ea3a6..96918cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ bpemb==0.3.0
 certifi==2019.9.11
 cffi==1.13.1
 chardet==3.0.4
-cryptography==2.8
+cryptography==3.2
 cycler==0.10.0
 cymem==2.0.2
 cytoolz==0.9.0.1