diff --git a/requirements.txt b/requirements.txt
index 4c3ed7a..befc89a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ chardet==3.0.4
 click==6.7
 codecov==2.0.15
 coverage==4.5.1
-cryptography==2.1.4
+cryptography==3.2
 flake8==3.5.0
 flake8-isort==2.3
 flake8-polyfill==1.0.2