diff --git a/awscrt/websocket.py b/awscrt/websocket.py
index 0a7c8cc08..e192c0df8 100644
--- a/awscrt/websocket.py
+++ b/awscrt/websocket.py
@@ -388,7 +388,7 @@ def _on_complete(error_code):
             try:
                 if on_complete is not None:
                     on_complete(cbdata)
-            except Exception:
+            except BaseException:
                 print("Exception in WebSocket.send_frame on_complete callback", file=sys.stderr)
                 sys.excepthook(*sys.exc_info())
                 self.close()
@@ -457,7 +457,7 @@ def _on_connection_setup(
         # Do not let exceptions from the user's callback bubble up any further.
         try:
             self._on_connection_setup_cb(cbdata)
-        except Exception:
+        except BaseException:
             print("Exception in WebSocket on_connection_setup callback", file=sys.stderr)
             sys.excepthook(*sys.exc_info())
             if cbdata.websocket is not None:
@@ -472,7 +472,7 @@ def _on_connection_shutdown(self, error_code):
         try:
             if self._on_connection_shutdown_cb is not None:
                 self._on_connection_shutdown_cb(cbdata)
-        except Exception:
+        except BaseException:
             print("Exception in WebSocket on_connection_shutdown callback", file=sys.stderr)
             sys.excepthook(*sys.exc_info())
 
@@ -485,7 +485,7 @@ def _on_incoming_frame_begin(self, opcode_int, payload_length, fin):
         try:
             if self._on_incoming_frame_begin_cb is not None:
                 self._on_incoming_frame_begin_cb(cbdata)
-        except Exception:
+        except BaseException:
             print("Exception in WebSocket on_incoming_frame_begin callback", file=sys.stderr)
             sys.excepthook(*sys.exc_info())
             return False  # close websocket
@@ -499,7 +499,7 @@ def _on_incoming_frame_payload(self, data):
         try:
             if self._on_incoming_frame_payload_cb is not None:
                 self._on_incoming_frame_payload_cb(cbdata)
-        except Exception:
+        except BaseException:
             print("Exception in WebSocket on_incoming_frame_payload callback", file=sys.stderr)
             sys.excepthook(*sys.exc_info())
             return False  # close websocket
@@ -517,7 +517,7 @@ def _on_incoming_frame_complete(self, error_code):
         try:
             if self._on_incoming_frame_complete_cb is not None:
                 self._on_incoming_frame_complete_cb(cbdata)
-        except Exception:
+        except BaseException:
             print("Exception in WebSocket on_incoming_frame_complete callback", file=sys.stderr)
             sys.excepthook(*sys.exc_info())
             return False  # close websocket