diff --git a/setup.cfg b/setup.cfg
index 5f36bc5a7b1a..14576e41703b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -41,7 +41,7 @@ install_requires =
     jupyter_server>=1.16.0,<2
     notebook_shim>=0.1
     jinja2>=3.0.3
-    ypy-websocket>=0.1.12
+    ypy-websocket>=0.1.13
     jupyter_ydoc==0.1.10
 
 [options.extras_require]