diff --git a/pyproject.toml b/pyproject.toml
index 6e1e6a5e..b0036235 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,6 @@ dependencies = [
     "matplotlib>=2.2.2",
     "h5py>=3.0",
     "spglib>=2.3",
-    "scipy>=1.14.0",
 ]
 license = { file = "LICENSE" }