diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 5279eb326..4dc1aa4bd 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -24,12 +24,6 @@ jobs:
         run: |
           npm ci
           npm run build
-          # NOTE: This is a compatibility shim needed for upgrading installed
-          # Chitchatter PWAs after the switch to Vite:
-          # https://github.com/jeremyckahn/chitchatter/commit/ea34058fa7ac2cbfd165837cdbef5caf6a9645ce#diff-639916bc14c3f311c31f629a2ec116292a4b2f64d06b3607b9ddd2e495703895
-          #
-          # TODO: Remove this cp operation after 9/1/2023.
-          cp dist/manifest.webmanifest dist/manifest.json
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
diff --git a/vite.config.ts b/vite.config.ts
index d6621d346..eac84900e 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -58,6 +58,7 @@ const config = () => {
           enabled: false,
         },
         injectRegister: 'auto',
+        filename: 'service-worker.js',
         manifest,
       }),
     ],