diff --git a/requirements.txt b/requirements.txt
index df68beccf6..d8c8a4cc33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 Flask==1.1.2
+itsdangerous==2.0.1
 waitress==2.0.0
\ No newline at end of file