diff --git a/langfuse/decorators/langfuse_decorator.py b/langfuse/decorators/langfuse_decorator.py
index 2d0afb72..f5298e73 100644
--- a/langfuse/decorators/langfuse_decorator.py
+++ b/langfuse/decorators/langfuse_decorator.py
@@ -518,12 +518,12 @@ def get_current_llama_index_handler(self):
         observation = _observation_stack_context.get()[-1]
 
         if observation is None:
-            self._log.warn("No observation found in the current context")
+            self._log.warning("No observation found in the current context")
 
             return None
 
         if isinstance(observation, StatefulGenerationClient):
-            self._log.warn(
+            self._log.warning(
                 "Current observation is of type GENERATION, LlamaIndex handler is not supported for this type of observation"
             )
 
@@ -552,12 +552,12 @@ def get_current_langchain_handler(self):
         observation = _observation_stack_context.get()[-1]
 
         if observation is None:
-            self._log.warn("No observation found in the current context")
+            self._log.warning("No observation found in the current context")
 
             return None
 
         if isinstance(observation, StatefulGenerationClient):
-            self._log.warn(
+            self._log.warning(
                 "Current observation is of type GENERATION, Langchain handler is not supported for this type of observation"
             )
 
@@ -585,7 +585,7 @@ def get_current_trace_id(self):
 
         if not stack:
             if should_log_warning:
-                self._log.warn("No trace found in the current context")
+                self._log.warning("No trace found in the current context")
 
             return None
 
@@ -595,7 +595,7 @@ def _get_caller_module_name(self):
         try:
             caller_module = inspect.getmodule(inspect.stack()[2][0])
         except Exception as e:
-            self._log.warn(f"Failed to get caller module: {e}")
+            self._log.warning(f"Failed to get caller module: {e}")
 
             return None
 
@@ -643,7 +643,7 @@ def get_current_observation_id(self):
 
         if not stack:
             if should_log_warning:
-                self._log.warn("No observation found in the current context")
+                self._log.warning("No observation found in the current context")
 
             return None
 
@@ -690,7 +690,7 @@ def update_current_trace(
         trace_id = self.get_current_trace_id()
 
         if trace_id is None:
-            self._log.warn("No trace found in the current context")
+            self._log.warning("No trace found in the current context")
 
             return
 
@@ -943,7 +943,7 @@ def flush(self):
         if langfuse:
             langfuse.flush()
         else:
-            self._log.warn("No langfuse object found in the current context")
+            self._log.warning("No langfuse object found in the current context")
 
     def configure(
         self,
@@ -1002,7 +1002,7 @@ def _get_langfuse(self) -> Langfuse:
 
     def _set_root_trace_id(self, trace_id: str):
         if _observation_stack_context.get():
-            self._log.warn(
+            self._log.warning(
                 "Root Trace ID cannot be set on a already running trace. Skipping root trace ID assignment."
             )
             return
diff --git a/langfuse/task_manager.py b/langfuse/task_manager.py
index 91598707..f990acba 100644
--- a/langfuse/task_manager.py
+++ b/langfuse/task_manager.py
@@ -234,7 +234,7 @@ def execute_task_with_backoff(batch: List[Any]):
                     and 400 <= int(e.status) < 500
                     and int(e.status) != 429
                 ):
-                    self._log.warn(
+                    self._log.warning(
                         f"Received {e.status} error by Langfuse server, not retrying: {e.message}"
                     )
                     return