diff --git a/requirements.txt b/requirements.txt
index 6ad7886..097837c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ cachetools==3.0.0
 certifi==2019.6.16
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.4.2
+cryptography==3.2
 docutils==0.15.2
 google-api-python-client==1.7.4
 google-auth==1.6.1