diff --git a/README.md b/README.md
index 9bfe013..2b502f7 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,14 @@ Overcooked-Demo can dynamically load pre-trained agents provided by the user. In
 
 If a more complex or custom loading routing is necessary, one can subclass the `OvercookedGame` class and override the `get_policy` method, as done in [DummyOvercookedGame](server/game.py#L420). Make sure the subclass is properly imported [here](server/app.py#L5)
 
+## Use the human vs. human game mode.
+
+With the Overcooked demo, you can test the interaction between two human players. To do this, you need to deploy this code on the server (https://docs.docker.com/language/python/deploy/). 
+After successful deployment, the first user should open http://[server_ip_address]/, select the human keyboard input for both players and click on "Create game". If everything has been successful, he will receive a message: "Waiting for game to start".
+Another user should open a page at http://[server_ip_address]/psiturk to start the game.  
+
+If you want to run a test on a local computer, you should use "localhost" instead of "server_ip_address" and open the corresponding links in different tabs.
+
 ## Updating Overcooked_ai
 This repo was designed to be as flexible to changes in overcooked_ai as possible. To change the branch used, use the `OVERCOOKED_BRANCH` environment variable shown above.
 
@@ -70,4 +78,4 @@ Basic game settings can be configured by changing the values in [config.json](se
 
 ## Legacy Code
 
-For legacy code compatible with the Neurips2019 submission please see [this](https://github.com/HumanCompatibleAI/overcooked-demo/tree/legacy) branch of this repo. 
\ No newline at end of file
+For legacy code compatible with the Neurips2019 submission please see [this](https://github.com/HumanCompatibleAI/overcooked-demo/tree/legacy) branch of this repo. 
diff --git a/server/requirements.txt b/server/requirements.txt
index dfcae0f..a9810c7 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -1,17 +1,18 @@
 certifi==2020.6.20
-click==7.1.2
+click==8.0
 dnspython==1.16.0
 dill==0.3.2
-Flask==1.1.2
+Flask==2.1.0
 Flask-SocketIO==4.3.0
 greenlet==0.4.16
-itsdangerous==1.1.0
-Jinja2==2.11.2
-MarkupSafe==1.1.1
+itsdangerous==2.0
+Jinja2==3.1.0
+MarkupSafe==2.0
 monotonic==1.5
 python-engineio==3.13.0
 python-socketio==4.6.0
 six==1.15.0
-Werkzeug==1.0.1
+Werkzeug==2.0.3
 tensorflow==2.0.3
 requests==2.23.0
+protobuf==3.19