diff --git a/requirements_dev.txt b/requirements_dev.txt
index eb9e9a499..34db03ea4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-Flask==0.11.1
+Flask==2.2.5
 configparser==3.5.0
 codecov==2.0.5
 coverage==4.3.4