diff --git a/Makefile b/Makefile
index cab961f5..c6a548b7 100644
--- a/Makefile
+++ b/Makefile
@@ -197,6 +197,11 @@ register-lint:  ## Verify `func Register*` symbols live only under components/**
 	@scripts/register-lint.sh
 
 actionlint:  ## Lint GitHub Actions workflow files (syntax + embedded shellcheck for run: blocks).
+	@if ! command -v shellcheck >/dev/null 2>&1; then \
+	  echo "WARNING: shellcheck not on PATH; actionlint will skip run-block shellcheck."; \
+	  echo "  macOS:   brew install shellcheck"; \
+	  echo "  Linux:   apt-get install shellcheck"; \
+	fi
 	go tool actionlint
 
 no-autoupdate-check:  ## Enforce RFC-0008: cmd/, components/, internal/, pkg/ contain no in-binary auto-update mechanism. Also runs the gate's own regression test against fixtures.
diff --git a/components/receivers/kernelevents/journald_test.go b/components/receivers/kernelevents/journald_test.go
index a84d4fd8..b3604e58 100644
--- a/components/receivers/kernelevents/journald_test.go
+++ b/components/receivers/kernelevents/journald_test.go
@@ -36,8 +36,8 @@ func TestJournaldSource_StreamsMockOutput(t *testing.T) {
 	case rec := <-out:
 		require.Equal(t, 3, rec.priority, "Xid is err-level")
 		require.Contains(t, rec.body, "Xid (PCI:0000:65:00.0): 79")
-	case <-time.After(2 * time.Second):
-		t.Fatal("no record from mock journalctl within 2s")
+	case <-time.After(5 * time.Second):
+		t.Fatal("no record from mock journalctl within 5s")
 	}
 }