diff --git a/tool/tsh/common/tsh_test.go b/tool/tsh/common/tsh_test.go
index 090e69b425843..1a3e0a2f3f63d 100644
--- a/tool/tsh/common/tsh_test.go
+++ b/tool/tsh/common/tsh_test.go
@@ -417,6 +417,7 @@ func TestAlias(t *testing.T) {
 //
 // …plus whatever is set in the launch daemon plist under the EnvironmentVariables key.
 func TestNoEnvVars(t *testing.T) {
+	t.Parallel()
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	t.Cleanup(cancel)