diff --git a/docker/py/requirements.txt b/docker/py/requirements.txt
index 7241edb8..3499d9d2 100644
--- a/docker/py/requirements.txt
+++ b/docker/py/requirements.txt
@@ -1,7 +1,7 @@
 bleach>5.0.0 # closes #300
 certifi>=2022.12.7 # not directly required, pinned by Snyk to avoid a vulnerability
 Jinja2<3.1 # because of https://github.com/jupyter/nbconvert/issues/1742
-jupyter-server-proxy==4.2.0
+jupyter-server-proxy==4.3.0
 jupyterlab-git==0.50.1
 jupyterlab-system-monitor~=0.8.0
 mistune>=2.0.1 # not directly required, pinned by Snyk to avoid a vulnerability