diff --git a/pyproject.toml b/pyproject.toml
index 49fbf12..db8366b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,5 +27,5 @@ other = [
     "pyfar",
     "scipy",
     "pyloudnorm",
-    "cupy"
-]
\ No newline at end of file
+    "cupy-cuda11x"
+]