diff --git a/test/synth.js b/test/synth.js
index 2fd6fa7..eea1c99 100644
--- a/test/synth.js
+++ b/test/synth.js
@@ -569,7 +569,7 @@ test('PlayHT speech synth tests', async(t) => {
           quality: "medium",
           speed: 1,
           seed: 1,
-          temperature: 0,
+          temperature: 1,
           emotion: "female_happy",
           voice_guidance: 3,
           style_guidance: 20,