diff --git a/requirements.txt b/requirements.txt
index 29b0285c15179c834d0d395b118fa0ddc2bd6393..8028e0feeb1f5408ad1190a86e938c7a5d68b936 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 Babel==2.9.1  # min version = 2.6.0 (Focal with security backports)
 chardet==3.0.4
+cryptography==3.4.8
 decorator==4.4.2
 docutils==0.16
 ebaysdk==2.1.5