diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index b6b6673a4..236812749 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 =2.26.6
 - pint =0.24.4
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index d7172e540..f4a94478f 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 =2.26.6
 - pint =0.24.4
diff --git a/binder/environment.yml b/binder/environment.yml
index 4b4a6289a..7db977cb9 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 =2.26.6
 - pint =0.24.4