diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3c8a21aa..7103dd26 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,6 +18,8 @@ jobs:
         uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
       - name: Install dependencies
         run: |
           pip install jupyterlab
@@ -49,6 +51,8 @@ jobs:
         uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
       - name: Install dependencies
         run: |
           pip install jupyterlab
diff --git a/jupyter_collaboration/handlers.py b/jupyter_collaboration/handlers.py
index 97bc3e8f..01710ea5 100644
--- a/jupyter_collaboration/handlers.py
+++ b/jupyter_collaboration/handlers.py
@@ -216,7 +216,6 @@ def on_message(self, message):
         On message receive.
         """
         message_type = message[0]
-        print("message type:", message_type)
 
         if message_type == YMessageType.AWARENESS:
             # awareness
diff --git a/pyproject.toml b/pyproject.toml
index ca1bde3f..fd6fd7f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,9 +30,9 @@ dependencies = [
     "jupyter_server>=2.0.0,<3.0.0",
     "jupyter_ydoc>=1.0.1,<2.0.0",
     "ypy-websocket>=0.12.1,<0.13.0",
-    "jupyter_events",
-    "jupyter_server_fileid>=0.6.0,<1",
-    "jsonschema[format-nongpl,format_nongpl]<4.18.0" # https://github.com/jupyter/jupyter_events/pull/80
+    "jupyter_events>=0.7.0",
+    "jupyter_server_fileid>=0.7.0,<1",
+    "jsonschema>=4.18.0"
 ]
 dynamic = ["version", "description", "authors", "urls", "keywords"]