diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
new file mode 100644
index 00000000..a3d20f6d
--- /dev/null
+++ b/.github/workflows/testing.yml
@@ -0,0 +1,26 @@
+name: Publish testing
+on:
+  push:
+    branches:
+      - testing
+jobs:
+  publish:
+    name: Install and publish
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14.x
+      - uses: expo/expo-github-action@v5
+        with:
+          expo-version: 4.x
+          expo-username: ${{ secrets.EXPO_USERNAME }}
+          expo-token: ${{ secrets.EXPO_TOKEN }}
+          expo-cache: true
+      - run: yarn install
+      - run: expo publish --release-channel=testing
+        env:
+          - SENTRY_ORG: ${{ secrets.SENTRY_ORG }}
+          - SENTRY_PROJECT: ${{ secrets.SENTRY_PROJECT }}
+          - SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
diff --git a/app.config.ts b/app.config.ts
index 9acee5b0..fcf5b4bb 100644
--- a/app.config.ts
+++ b/app.config.ts
@@ -39,11 +39,6 @@ export default (): ExpoConfig => ({
     postPublish: [
       {
         file: 'sentry-expo/upload-sourcemaps'
-        // config: {
-        //   organization: "your sentry organization's short name here",
-        //   project: "your sentry project's name here",
-        //   authToken: 'your auth token here'
-        // }
       }
     ]
   },
diff --git a/publish.sh b/publish.sh
deleted file mode 100755
index 01fa85c6..00000000
--- a/publish.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-
-SENTRY_ORG=xmflsct SENTRY_PROJECT=mastodon-app SENTRY_AUTH_TOKEN=771a5746bad54f5987aa5d5d8b1c10abc751b3bf28554c908d452e0054eb6003 expo publish --release-channel testing
\ No newline at end of file