diff --git a/requirements.txt b/requirements.txt
index fe9eed0..2bf40fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 paho-mqtt>=1.5.0
 dash>=1.18.0
 plotly>=4
+cryptography>=3.1
 pandas
 oauth2_client
 requests