diff --git a/requirements.txt b/requirements.txt
index c9d0d4c529cc..aa57dfb3188a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ flask-openid==1.2.5       # via flask-appbuilder
 flask-sqlalchemy==2.4.0   # via flask-appbuilder, flask-migrate
 flask-talisman==0.7.0
 flask-wtf==0.14.2
-flask==1.1.1
+flask==2.3.2
 future==0.17.1            # via parsedatetime
 geographiclib==1.49       # via geopy
 geopy==1.20.0
diff --git a/setup.py b/setup.py
index fe59631a2c1c..baeee7bb9ca9 100644
--- a/setup.py
+++ b/setup.py
@@ -77,7 +77,7 @@ def get_git_sha():
         "contextlib2",
         "croniter>=0.3.28",
         "cryptography>=2.4.2",
-        "flask>=1.1.0, <2.0.0",
+        "flask>=1.1.0, <3.0.0",
         "flask-appbuilder>=2.1.13, <2.3.0",
         "flask-caching",
         "flask-compress",