diff --git a/requirements-freeze.txt b/requirements-freeze.txt
index 7970044..2b6ce01 100644
--- a/requirements-freeze.txt
+++ b/requirements-freeze.txt
@@ -14,7 +14,7 @@ csh-ldap==2.3.1
 ddtrace==0.57.3
 defusedxml==0.7.1
 dnspython==2.2.1
-Flask==1.1.4
+Flask==2.1.1
 Flask-gzip==0.2
 Flask-Mail==0.9.1
 Flask-Migrate==2.7.0
diff --git a/requirements.txt b/requirements.txt
index fa66737..e06f8c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Flask-Gzip==0.2
 Flask-Mail==0.9.1
 Flask-Migrate~=2.7.0
 Flask-pyoidc~=3.7.0
-Flask~=1.1.4
+Flask~=2.1.1
 csh_ldap~=2.3.1
 ddtrace==0.57.3
 flask_sqlalchemy~=2.5.1