diff --git a/src/python/requirements.txt b/src/python/requirements.txt
index 31b0763..2722c13 100644
--- a/src/python/requirements.txt
+++ b/src/python/requirements.txt
@@ -1,5 +1,5 @@
 cython>=0.29.0,<1
-piper-phonemize~=1.0.0
+piper-phonemize~=1.1.0
 librosa>=0.9.2,<1
 numpy>=1.19.0
 onnxruntime>=1.11.0
diff --git a/src/python_run/requirements.txt b/src/python_run/requirements.txt
index 84b6a31..a598720 100644
--- a/src/python_run/requirements.txt
+++ b/src/python_run/requirements.txt
@@ -1,2 +1,2 @@
-piper-phonemize~=1.0.0
+piper-phonemize~=1.1.0
 onnxruntime>=1.11.0,<2