diff --git a/requirements.txt b/requirements.txt
index 9aa19c7..8ceb30b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ certifi==2019.6.16
 cffi==1.12.3
 chardet==3.0.4
 Click==7.0
-cryptography==2.7
+cryptography==3.2
 defusedxml==0.6.0
 entrypoints==0.3
 fastparquet==0.3.2