diff --git a/assets/licenses.txt b/assets/licenses.txt
index ae191a4..189c32f 100644
--- a/assets/licenses.txt
+++ b/assets/licenses.txt
@@ -1824,7 +1824,7 @@ SOFTWARE.
 
 The following npm package may be included in this product:
 
- - pyodide@0.28.0
+ - pyodide@0.28.1
 
 This package contains the following license:
 
@@ -2038,7 +2038,7 @@ SOFTWARE.
 
 The following npm package may be included in this product:
 
- - vuetify@3.9.3
+ - vuetify@3.9.4
 
 This package contains the following license:
 
diff --git a/frontend/tools/pyodide-worker.ts b/frontend/tools/pyodide-worker.ts
index aa85a73..3d78eaf 100644
--- a/frontend/tools/pyodide-worker.ts
+++ b/frontend/tools/pyodide-worker.ts
@@ -1,4 +1,4 @@
-import {loadPyodide, type PyodideInterface} from "pyodide";
+import {loadPyodide, type PyodideAPI} from "pyodide";
 
 let myLoadPyodide = (initOpts: Parameters<typeof loadPyodide>[0]) => loadPyodide({
     ...initOpts,
@@ -10,7 +10,7 @@ let myLoadPyodide = (initOpts: Parameters<typeof loadPyodide>[0]) => loadPyodide
     },
 });
 
-let pyodideReadyPromise: Promise<PyodideInterface> | null = null;
+let pyodideReadyPromise: Promise<PyodideAPI> | null = null;
 
 export type MessageEventDataIn = {
     type: 'asyncRun';
@@ -41,7 +41,7 @@ self.onmessage = async (event: MessageEvent<MessageEventDataIn>) => {
         // Create a directory tree in the Pyodide filesystem.
         const pyodide = await pyodideReadyPromise;
         try {
-            pyodide.FS.mkdirTree(event.data.path);
+            await pyodide.FS.mkdirTree(event.data.path);
             self.postMessage({id: event.data.id, result: true});
         } catch (error: any) {
             self.postMessage({id: event.data.id, error: error.message});
@@ -51,7 +51,7 @@ self.onmessage = async (event: MessageEvent<MessageEventDataIn>) => {
         // Write a file to the Pyodide filesystem.
         const pyodide = await pyodideReadyPromise;
         try {
-            pyodide.FS.writeFile(event.data.path, event.data.content);
+            await pyodide.FS.writeFile(event.data.path, event.data.content);
             self.postMessage({id: event.data.id, result: true});
         } catch (error: any) {
             self.postMessage({id: event.data.id, error: error.message});
diff --git a/yarn.lock b/yarn.lock
index 5c0580e..2086d4b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2594,9 +2594,9 @@ property-graph@^3.0.0:
   integrity sha512-TnzxUsttmGtw+OiU0LDw+0FlMbJ8vV8pOjyDI7+Kdni4Tj0hW5BFh7TatQu7Y68hcvvFmiFOHilKShsA4R82fA==
 
 pyodide@^0.28.0:
-  version "0.28.0"
-  resolved "https://registry.yarnpkg.com/pyodide/-/pyodide-0.28.0.tgz#43c50db977e28eba83da84a326c32537bc713460"
-  integrity sha512-QML/Gh8eu50q5zZKLNpW6rgS0XUdK+94OSL54AUSKV8eJAxgwZrMebqj+CyM0EbF3EUX8JFJU3ryaxBViHammQ==
+  version "0.28.1"
+  resolved "https://registry.yarnpkg.com/pyodide/-/pyodide-0.28.1.tgz#1780394b8d858b817b15658d80a200a977a3c8aa"
+  integrity sha512-7O1jZdfUc4/9PAKzEIyLOh3yhxknTWA8xQaCfZ4R56pOnchS909x2sqt2Wh+qHf+b7MzyB8igE5ZzYdP1pZN5w==
   dependencies:
     ws "^8.5.0"