diff --git a/pyproject.toml b/pyproject.toml
index 329dbfb6..a2101746 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -147,6 +147,8 @@ markers = [
 
 [tool.uv]
 constraint-dependencies = ["llvmlite>=0.40.0"]
+# TODO: create an issue on https://github.com/thewh1teagle/kokoro-onnx regarding this
+override-dependencies = ["onnxruntime-gpu>=1.20.1 ; platform_machine == 'x86_64'"]
 
 [tool.uv.sources]
 piper-phonemize = { url = "https://github.com/fedirz/piper-phonemize/raw/refs/heads/master/dist/piper_phonemize-1.2.0-cp312-cp312-manylinux_2_28_x86_64.whl" }
diff --git a/uv.lock b/uv.lock
index e9102d14..ea5044fb 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3,6 +3,7 @@ requires-python = "==3.12.*"
 
 [manifest]
 constraints = [{ name = "llvmlite", specifier = ">=0.40.0" }]
+overrides = [{ name = "onnxruntime-gpu", marker = "platform_machine == 'x86_64'", specifier = ">=1.20.1" }]
 
 [[manifest.dependency-metadata]]
 name = "piper-tts"
@@ -878,7 +879,7 @@ wheels = [
 
 [package.optional-dependencies]
 gpu = [
-    { name = "onnxruntime-gpu", marker = "sys_platform != 'darwin'" },
+    { name = "onnxruntime-gpu", marker = "platform_machine == 'x86_64'" },
 ]
 
 [[package]]