diff --git a/.github/workflows/build-pr.yml b/.github/workflows/build-pr.yml
index ab0bec4..591e3ac 100644
--- a/.github/workflows/build-pr.yml
+++ b/.github/workflows/build-pr.yml
@@ -192,6 +192,19 @@ jobs:
         env:
           CONTAINER_ENGINE: docker
         run: bin/build --mirror edge --arch ${{ matrix.arch }} --package ${{ matrix.package }}
+      # makepkg's check() leaves meson's per-test output in the build tree,
+      # never on stdout, so a failing test shows only a summary line in this
+      # job log. bin/build bind-mounts $SRC_DIR at /src, so those logs outlive
+      # the container. Without this upload an arch-specific test failure
+      # cannot be diagnosed from CI at all (seen on owe 0.2.7, aarch64).
+      - name: Upload test logs
+        if: always() && steps.build.outcome == 'failure'
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-logs-${{ matrix.package }}-${{ matrix.arch }}
+          path: src/**/meson-logs/
+          if-no-files-found: ignore
+          retention-days: 14
       # The artifact label carries the package directory's git tree hash so
       # the publish step can find the build for exactly the tree that merged.
       # The package file inside keeps makepkg's standard name untouched.