diff --git a/requirements.in b/requirements.in
index 2844051e9..942dd6746 100644
--- a/requirements.in
+++ b/requirements.in
@@ -4,7 +4,7 @@
 ago==0.0.93
 govuk-bank-holidays==0.8
 humanize==3.6.0
-Flask==1.1.2
+Flask==2.0.1
 Flask-WTF==0.14.3
 Flask-Login==0.5.0