diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f84da14f9..e879a3fcf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -214,9 +214,9 @@ jobs:
   test-emscripten:
     name: Test Emscripten
     if: github.event_name != 'pull_request'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     env:
-      PYODIDE_VERSION: "0.23.0"
+      PYODIDE_VERSION: "0.23.4"
       PYTHON_VERSION: "3.11.2"
       NODE_VERSION: 18
     steps:
diff --git a/noxfile.py b/noxfile.py
index d05412266..1413c2900 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -6,7 +6,7 @@
 import nox
 
 
-PYODIDE_VERSION = os.getenv("PYODIDE_VERSION", "0.23.0")
+PYODIDE_VERSION = os.getenv("PYODIDE_VERSION", "0.23.4")
 GITHUB_ACTIONS = os.getenv("GITHUB_ACTIONS")
 GITHUB_ENV = os.getenv("GITHUB_ENV")
 
@@ -34,7 +34,7 @@ def setup_pyodide(session: nox.Session):
         with session.chdir(tests_dir / "node_modules" / "pyodide"):
             session.run(
                 "node",
-                "../prettier/bin-prettier.js",
+                "../prettier/bin/prettier.cjs",
                 "-w",
                 "pyodide.asm.js",
                 external=True,