diff --git a/requirements.txt b/requirements.txt
index 5e13218c..a4367aa7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 Flask==1.0.3
 Flask-Login==0.4.1
+Flask-Mail==0.9.1
 Flask-Migrate==2.5.2
 Flask-SQLAlchemy==2.4.0
 Flask-WTF==0.14.2