diff --git a/requirements.txt b/requirements.txt
index 67c5449..5d88e1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,21 +6,25 @@
 #
 bidict==0.21.2
     # via python-socketio
-click==8.0.1
+blinker==1.6.2
     # via flask
-flask==2.0.1
+click==8.1.3
+    # via flask
+flask==2.3.2
     # via flask-socketio
 flask-socketio==5.1.1
     # via -r requirements.in
-itsdangerous==2.0.1
+itsdangerous==2.1.2
     # via flask
-jinja2==3.0.1
+jinja2==3.1.2
     # via flask
-markupsafe==2.0.1
-    # via jinja2
+markupsafe==2.1.2
+    # via
+    #   jinja2
+    #   werkzeug
 python-engineio==4.2.1
     # via python-socketio
 python-socketio==5.4.0
     # via flask-socketio
-werkzeug==2.0.1
+werkzeug==2.3.3
     # via flask