diff --git a/requirements.txt b/requirements.txt
index 2b7e8a8..cc53bcd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ chardet==3.0.4
 cloudpickle==1.2.2
 cmake==3.17.0
 colorama==0.4.3
-cryptography==2.3.1
+cryptography==3.2
 cycler==0.10.0
 Cython==0.29.15
 decorator==4.4.2