diff --git a/.github/workflows/build_prepare.yaml b/.github/workflows/build_prepare.yaml
index a8c8baf..5638951 100644
--- a/.github/workflows/build_prepare.yaml
+++ b/.github/workflows/build_prepare.yaml
@@ -117,6 +117,7 @@ jobs:
             - name: "[Nightly] Write summary"
               if: inputs.nightly
               run: |
+                  BUNDLE_HASH=$(npx asar l webapp.asar | grep /bundles/ | head -n 1 | sed 's|.*/||')
                   WEBAPP_VERSION=$(./scripts/get-version.ts)
                   WEB_VERSION=${WEBAPP_VERSION:0:12}
                   REACT_VERSION=${WEBAPP_VERSION:19:12}
@@ -130,6 +131,7 @@ jobs:
                   echo "| Linux       | ${{ steps.versions.outputs.linux }} |" >> $GITHUB_STEP_SUMMARY
                   echo "| Windows x64 | ${{ steps.versions.outputs.win_x64 }} |" >> $GITHUB_STEP_SUMMARY
                   echo "| Windows x86 | ${{ steps.versions.outputs.win_x86 }} |" >> $GITHUB_STEP_SUMMARY
+                  echo "| Bundle Hash | $BUNDLE_HASH |" >> $GITHUB_STEP_SUMMARY
                   echo "| Element Web | [$WEB_VERSION](https://github.com/vector-im/element-web/commit/$WEB_VERSION) |" >> $GITHUB_STEP_SUMMARY
                   echo "| React SDK   | [$REACT_VERSION](https://github.com/matrix-org/matrix-react-sdk/commit/$REACT_VERSION) |" >> $GITHUB_STEP_SUMMARY
                   echo "| JS SDK      | [$JS_VERSION](https://github.com/matrix-org/matrix-js-sdk/commit/$JS_VERSION) |" >> $GITHUB_STEP_SUMMARY