diff --git a/Makefile b/Makefile
index c995a114..cbc8f2f1 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@ WHISPER_CPP_VERSION?=885b5563d0e3465a45f27d4b59f1e00a4335b0d9
 BERT_VERSION?=6abe312cded14042f6b7c3cd8edf082713334a4d
 
 # go-piper version
-PIPER_VERSION?=5386f3ed8e8ff6d9474832aa9a9a6a8d7b337d6a
+PIPER_VERSION?=6e687b16e88f9451c2ece5b8ff3627ecf54c4a68
 
 # stablediffusion version
 STABLEDIFFUSION_VERSION?=902db5f066fd137697e3b69d0fa10d4782bd2c2f