diff --git a/requirements.txt b/requirements.txt
index 36acd22..3cb4b12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ addict==2.2.1                       # MIT
 cerberus==1.3.2                     # ISC
 cotyledon==1.7.3                    # Apache License 2.0
 dateparser==1.0.0                   # BSD 3-Clause License
-flask==1.1.1                        # BSD 3-Clause License
+flask==2.3.2                        # BSD 3-Clause License
 flask-restx==0.2.0                  # BSD 3-Clause License
 flask_cors==3.0.9                   # MIT
 honcho==1.0.1                       # MIT