diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c3c2edf9d3f..48430b2b38c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -269,12 +269,14 @@ jobs:
         name: chezmoi-windows-amd64
         path: dist/chezmoi-nocgo_windows_amd64_v1/chezmoi.exe
   test-ubuntu:
+    name: test-ubuntu-umask${{ matrix.umask }}-${{ matrix.test-index }}
     strategy:
       fail-fast: false
       matrix:
         umask:
         - "022"
         - "002"
+        test-index: [0, 1]
     needs: changes
     runs-on: ubuntu-20.04 # use older Ubuntu for older glibc
     permissions:
@@ -314,12 +316,27 @@ jobs:
     - name: run
       run: |
         go run . --version
+    - name: install-gotestsum
+      run: go install gotest.tools/gotestsum@latest
+    - name: split-integration-tests
+      id: test-split
+      uses: hashicorp-forge/go-test-split-action@v1
+      with:
+        index: ${{ matrix.test-index }}
+        total: 2
+        junit-summary: ./tests-summary.xml
     - name: test-umask-${{ matrix.umask }}
       if: github.event_name == 'push' || needs.changes.outputs.code == 'true'
       env:
         CHEZMOI_GITHUB_TOKEN: ${{ secrets.CHEZMOI_GITHUB_TOKEN }}
       run: |
-        go test -ldflags="-X github.com/twpayne/chezmoi/v2/internal/chezmoitest.umaskStr=0o${{ matrix.umask }}" -race -timeout=1h ./...
+        gotestsum --junitfile node-summary.xml --format short-verbose -- -run "${{ steps.test-split.outputs.run }}" -ldflags="-X github.com/twpayne/chezmoi/v2/internal/chezmoitest.umaskStr=0o${{ matrix.umask }}" -race -timeout=1h -count=1
+    - name: upload-test-artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: test-summary-uname${{ matrix.umask }}-${{ matrix.test-index }}
+        path: node-summary.xml
+        retention-days: 1
   test-website:
     runs-on: ubuntu-22.04
     permissions: