diff --git a/requirements.txt b/requirements.txt
index 70df52c..63c3b73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ chardet==3.0.4
 chart-studio==1.1.0
 Click==7.0
 colorlover==0.3.0
-cryptography==2.8
+cryptography==3.2
 cufflinks==0.17.3
 cycler==0.10.0
 Cython==0.29.16