diff --git a/requirements.txt b/requirements.txt
index bbacc91..1decc56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ flask-login==0.6.0; python_version >= "3.7"
 flask-session==0.4.0
 flask-sqlalchemy==2.5.1; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.4.0")
 flask-wtf==1.0.1; python_version >= "3.6"
-flask==2.1.1; python_version >= "3.7"
+flask==2.2.1; python_version >= "3.7"
 greenlet==1.1.2; python_version >= "3" and python_full_version < "3.0.0" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") or python_version >= "3" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") and python_full_version >= "3.5.0"
 idna==3.3; python_version >= "3.5" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.5"
 importlib-metadata==4.11.3; python_version < "3.10" and python_version >= "3.7" and (python_version >= "3.7" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.7")