diff --git a/requirements.txt b/requirements.txt
index 47b0f0e..554885f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ certifi==2018.11.29
 cffi==1.11.5
 chardet==3.0.4
 colorama==0.4.1
-cryptography==2.4.2
+cryptography==41.0.3
 futures==3.1.1
 humanfriendly==4.17
 idna==2.8