diff --git a/apps/daemon/src/projects.ts b/apps/daemon/src/projects.ts
index cdd500c57..4de5b5b88 100644
--- a/apps/daemon/src/projects.ts
+++ b/apps/daemon/src/projects.ts
@@ -578,6 +578,7 @@ const EXT_MIME = {
   '.cjs': 'text/javascript; charset=utf-8',
   '.jsx': 'text/javascript; charset=utf-8',
   '.ts': 'text/typescript; charset=utf-8',
+  '.py': 'text/x-python; charset=utf-8',
   // `.tsx` previously served as `text/typescript`, which browser module
   // loaders and strict CSPs do not accept as a JavaScript MIME. Multi-file
   // React prototypes that load `.tsx` via Babel-standalone (`<script
diff --git a/apps/daemon/tests/project-classifiers.test.ts b/apps/daemon/tests/project-classifiers.test.ts
index 2eebee787..a7c3d907a 100644
--- a/apps/daemon/tests/project-classifiers.test.ts
+++ b/apps/daemon/tests/project-classifiers.test.ts
@@ -105,6 +105,7 @@ describe('mimeFor', () => {
     expect(mimeFor('a.jsx')).toBe('text/javascript; charset=utf-8');
     expect(mimeFor('a.tsx')).toBe('text/javascript; charset=utf-8');
     expect(mimeFor('a.ts')).toBe('text/typescript; charset=utf-8');
+    expect(mimeFor('a.py')).toBe('text/x-python; charset=utf-8');
     expect(mimeFor('a.json')).toBe('application/json; charset=utf-8');
     expect(mimeFor('a.md')).toBe('text/markdown; charset=utf-8');
     expect(mimeFor('a.txt')).toBe('text/plain; charset=utf-8');
@@ -151,6 +152,7 @@ describe('mimeFor', () => {
   it('is case-insensitive on the extension', () => {
     expect(mimeFor('IMG.PNG')).toBe('image/png');
     expect(mimeFor('PAGE.HTML')).toBe('text/html; charset=utf-8');
+    expect(mimeFor('SCRIPT.PY')).toBe('text/x-python; charset=utf-8');
     expect(mimeFor('FOO.JSON')).toBe('application/json; charset=utf-8');
   });
 });