diff --git a/examples/fountain-extension/package-lock.json b/examples/fountain-extension/package-lock.json
index 2106689a..bdf6386f 100644
--- a/examples/fountain-extension/package-lock.json
+++ b/examples/fountain-extension/package-lock.json
@@ -983,9 +983,9 @@
       }
     },
     "node_modules/minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
@@ -2413,9 +2413,9 @@
       "dev": true
     },
     "minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "requires": {
         "brace-expansion": "^1.1.7"
       }
diff --git a/examples/fountain-extension/src/server.py b/examples/fountain-extension/src/server.py
index 646e02c2..94e07183 100644
--- a/examples/fountain-extension/src/server.py
+++ b/examples/fountain-extension/src/server.py
@@ -3,12 +3,7 @@
 from lsprotocol.types import TEXT_DOCUMENT_COMPLETION
 from lsprotocol.types import (CompletionItem, CompletionParams, CompletionList, CompletionOptions)
 
-# The following imports are required for the glue code in 'server.ts'
-import json
-from pygls.protocol import deserialize_message
-
 server = LanguageServer("foutain-language-server", "v0.1")
-server.start_pyodide()
 
 CHARACTER = re.compile(r"^[A-Z][A-Z ]+$", re.MULTILINE)
 
diff --git a/examples/fountain-extension/src/server.ts b/examples/fountain-extension/src/server.ts
index 6c9e3357..256f716d 100644
--- a/examples/fountain-extension/src/server.ts
+++ b/examples/fountain-extension/src/server.ts
@@ -1,4 +1,4 @@
-importScripts("https://cdn.jsdelivr.net/pyodide/v0.20.0/full/pyodide.js")
+importScripts("https://cdn.jsdelivr.net/pyodide/v0.21.3/full/pyodide.js")
 
 /* @ts-ignore */
 import * as languageServer from "./server.py";
@@ -19,17 +19,19 @@ async function initPyodide() {
 
     /* @ts-ignore */
     let pyodide = await loadPyodide({
-        indexURL: "https://cdn.jsdelivr.net/pyodide/v0.20.0/full/"
+        indexURL: "https://cdn.jsdelivr.net/pyodide/v0.21.3/full/"
     })
 
     console.log("Installing dependencies.")
     await pyodide.loadPackage(["micropip"])
     await pyodide.runPythonAsync(`
+        import json
         import sys
         import micropip
+
         await micropip.install('pygls')
 
-        # Uncomment to use a local build of pygls
+        # Uncomment to use a local build of pygls -- see README for details.
         # await micropip.install('https://xxx.loca.lt/out/pygls-<version>-py3-none-any.whl')
     `)
 
@@ -37,7 +39,11 @@ async function initPyodide() {
 
     // Patch stdout to redirect the output.
     pyodide.globals.get('sys').stdout.write = patchedStdout
-    await pyodide.runPythonAsync(languageServer)
+    await pyodide.runPythonAsync(`
+${languageServer}
+
+server.start_pyodide()
+`)
 
     return pyodide
 }
@@ -55,7 +61,7 @@ onmessage = async (event) => {
     await pyodide.runPythonAsync(`
         from js import client_message
 
-        message = json.loads(client_message, object_hook=deserialize_message)
+        message = json.loads(client_message, object_hook=server.lsp._deserialize_message)
         server.lsp._procedure_handler(message)
     `)
 }