diff --git a/pyproject.toml b/pyproject.toml
index 9d0bc3a6..333132bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
     "tensorflow==2.12.0",
     "typer[all]==0.9.0",
     "pydantic==2.7.0",
-    "ray[rllib] == 2.8.0, < 3",
+    "ray[rllib] >= 2.9, < 3",
     "ipywidgets"
 ]
 
diff --git a/src/primaite/simulator/system/applications/database_client.py b/src/primaite/simulator/system/applications/database_client.py
index d304c200..e21846a3 100644
--- a/src/primaite/simulator/system/applications/database_client.py
+++ b/src/primaite/simulator/system/applications/database_client.py
@@ -236,7 +236,7 @@ class DatabaseClient(Application):
 
         if not connection_id:
             msg = "Cannot run sql query, could not establish connection with the server."
-            self.parent.sys_log(msg)
+            self.parent.sys_log.error(msg)
             return False
 
         uuid = str(uuid4())