diff --git a/jupyterlab-4.4.1.tar.gz b/jupyterlab-4.4.3.tar.gz
similarity index 71%
rename from jupyterlab-4.4.1.tar.gz
rename to jupyterlab-4.4.3.tar.gz
index e9e33370abdb3a2751b124f0f7c9360388d9bfc4..3ced481fbe95484fd756c644b9a3b65a47c93447 100644
Binary files a/jupyterlab-4.4.1.tar.gz and b/jupyterlab-4.4.3.tar.gz differ
diff --git a/python-jupyterlab.spec b/python-jupyterlab.spec
index 414d420ebfe78fe3593de66616ea77e514a036c3..26e755ac864ab05bad1558b58d291ceb873a5cfe 100644
--- a/python-jupyterlab.spec
+++ b/python-jupyterlab.spec
@@ -1,12 +1,12 @@
 %global pypi_name jupyterlab
 
 Name:           python-%{pypi_name}
-Version:        4.4.1
+Version:        4.4.3
 Release:        1
 Summary:        JupyterLab computational environment
 License:        MIT
 URL:            https://github.com/jupyterlab/jupyterlab
-Source0:        https://files.pythonhosted.org/packages/f6/55/3ef7e6bfe988d7df3d453cc27912846d50590c90790848594f7228c89569/jupyterlab-4.4.1.tar.gz
+Source0:        https://files.pythonhosted.org/packages/d3/2d/d1678dcf2db66cb4a38a80d9e5fcf48c349f3ac12f2d38882993353ae768/jupyterlab-4.4.3.tar.gz
 
 BuildArch:      noarch
 
@@ -55,6 +55,23 @@ JupyterLab is the next-generation user interface for Project Jupyter offering al
 
 
 %changelog
+* Tue Jun 10 2025 Dongxing Wang <dongxing.wang_a@thundersoft.com> - 4.4.3-1
+- Update package with version 4.4.3
+  Enable save in collaborative mode
+  Fix error handing in extension manager (typo and undefined variable)
+  Ensure strings with yellow background in tracebacks are visible
+  Fix stdin input triggering cell re-execution on Shift+Enter
+  Add standby callback to lumino polls
+  Fix incorrect ARIA labels in the MainAreaWidget
+  fileeditor-extension: fix handling of launcher, commands and menu entries on specsChanged
+  Fix Settings Editor incorrectly resetting values to default in filtered view
+  Upgrade CodeMirror packages to latest
+  Update widget flag on attaching cell to viewport
+  Update lumino to v2025.4.30 to pull menu aria fix
+  Fix rendering of long cell editors in windowed notebook
+  Add aria-hidden to icons (<svg> elements) which do not have a title
+  Fix editing shortcuts on Safari (allow shortcut edit button to receive focus)
+
 * Thu Apr 24 2025 Dongxing Wang <dongxing.wang_a@thundersoft.com> - 4.4.1-1
 - Update package with version 4.4.1
   Fix undo/redo in cells created in none windowing mode