diff --git a/jupyter-lite.json b/jupyter-lite.json
index 9323f87..a31d0eb 100644
--- a/jupyter-lite.json
+++ b/jupyter-lite.json
@@ -5,7 +5,7 @@
         "contentsStorageDrivers": ["asyncStorage"],
         "litePluginSettings": {
             "@jupyterlite/pyodide-kernel-extension:kernel": {
-                "pyodideUrl": "https://cdn.jsdelivr.net/pyodide/v0.26.2/full/pyodide.js"
+                "pyodideUrl": "https://cdn.jsdelivr.net/pyodide/v0.26.3/full/pyodide.js"
             }
         }
     }
diff --git a/requirements.txt b/requirements.txt
index 2db33ab..6f781f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # Core modules (mandatory)
-jupyterlite-core==0.4.1 # https://pypi.org/project/jupyterlite-core/#history
+jupyterlite-core==0.4.3 # https://pypi.org/project/jupyterlite-core/#history
 jupyterlab==4.2.5 # https://pypi.org/project/jupyterlab/#history
 
 # Python kernel (optional)
-jupyterlite-pyodide-kernel==0.4.2 # https://pypi.org/project/jupyterlite-pyodide-kernel/#history
\ No newline at end of file
+jupyterlite-pyodide-kernel==0.4.3 # https://pypi.org/project/jupyterlite-pyodide-kernel/#history
\ No newline at end of file