diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 964ff20ef..3ab496153 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -16,7 +16,7 @@ dependencies:
 - pyscal3 =3.3.0
 - pyxtal =1.1.1
 - scikit-learn =1.6.1
-- scipy =1.15.2
+- scipy =1.16.2
 - spglib =2.6.0
 - sqsgenerator =0.3
 - hatchling =1.27.0
diff --git a/.ci_support/environment_mini.yml b/.ci_support/environment_mini.yml
index b3ea0bfe6..4ad8b080c 100644
--- a/.ci_support/environment_mini.yml
+++ b/.ci_support/environment_mini.yml
@@ -4,6 +4,6 @@ dependencies:
 - ase =3.26.0
 - coverage
 - numpy =2.3.3
-- scipy =1.15.2
+- scipy =1.16.2
 - hatchling =1.27.0
 - hatch-vcs =0.4.0
diff --git a/pyproject.toml b/pyproject.toml
index d96eb0ac8..c8020c40d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
 dependencies = [
     "ase==3.26.0",
     "numpy==2.3.3",
-    "scipy==1.15.2",
+    "scipy==1.16.2",
 ]
 dynamic = ["version"]