diff --git a/requirements-colab.txt b/requirements-colab.txt
index 641723a..0664647 100644
--- a/requirements-colab.txt
+++ b/requirements-colab.txt
@@ -12,6 +12,7 @@ numpy<2
 onnx
 onnxruntime
 onnxruntime-gpu
+onnxsim
 pyannote.audio>=3.1.0
 pyloudnorm
 pyopenjtalk-dict
diff --git a/requirements-infer.txt b/requirements-infer.txt
index a54474e..f856be7 100644
--- a/requirements-infer.txt
+++ b/requirements-infer.txt
@@ -15,7 +15,7 @@ onnx
 onnxruntime
 onnxruntime-directml; sys_platform == 'win32'
 onnxruntime-gpu; sys_platform != 'darwin'
-# onnxsim
+onnxsim
 # protobuf==4.25
 psutil
 # punctuators