diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 0b420c4fa..2c1c2dc19 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -13,7 +13,7 @@ dependencies:
 - matplotlib-base =3.10.0
 - mendeleev =0.19.0
 - mp-api =0.45.0
-- numpy =1.26.4
+- numpy =2.2.1
 - pandas =2.2.3
 - phonopy =2.33.4
 - pint =0.24.4
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 56266b3c3..71ccc0f75 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -11,7 +11,7 @@ dependencies:
 - matplotlib-base =3.10.0
 - mendeleev =0.19.0
 - mp-api =0.45.0
-- numpy =1.26.4
+- numpy =2.2.1
 - pandas =2.2.3
 - phonopy =2.33.4
 - pint =0.24.4
diff --git a/binder/environment.yml b/binder/environment.yml
index 131c23b91..ca3935aa7 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -9,7 +9,7 @@ dependencies:
 - matplotlib-base =3.10.0
 - mendeleev =0.19.0
 - mp-api =0.45.0
-- numpy =1.26.4
+- numpy =2.2.1
 - pandas =2.2.3
 - phonopy =2.33.4
 - pint =0.24.4