diff --git a/src/debugpy/adapter/clients.py b/src/debugpy/adapter/clients.py
index 1e58802a..0b4a870a 100644
--- a/src/debugpy/adapter/clients.py
+++ b/src/debugpy/adapter/clients.py
@@ -700,6 +700,12 @@ def disconnect_request(self, request):
                 except Exception:
                     log.swallow_exception()
 
+        # Close the client channel since we disconnected from the client.
+        try:
+            self.channel.close()
+        except Exception:
+            log.swallow_exception(level="warning")
+
     def disconnect(self):
         super().disconnect()