diff --git a/requirements.txt b/requirements.txt
index 6e7299e..c432d5c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ bpython==0.17
 certifi==2017.11.5
 cffi==1.11.4
 chardet==3.0.4
-cryptography==2.1.4
+cryptography==3.2
 curtsies==0.2.11
 Cython==0.27.3
 decorator==4.2.1