diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 5e6ca1a0e..ed255f7e3 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -2,7 +2,7 @@ channels:
 - conda-forge
 dependencies:
 - ase =3.29.0
-- numpy =2.5.1
+- numpy =2.5.3
 - scipy =1.18.0
 - hatchling =1.32.0
 - hatch-vcs =0.5.0
diff --git a/.ci_support/environment-mini.yml b/.ci_support/environment-mini.yml
index 2a210a421..def57ef6d 100644
--- a/.ci_support/environment-mini.yml
+++ b/.ci_support/environment-mini.yml
@@ -3,7 +3,7 @@ channels:
 dependencies:
 - ase =3.29.0
 - coverage
-- numpy =2.5.1
+- numpy =2.5.3
 - scipy =1.18.0
 - hatchling =1.32.0
 - hatch-vcs =0.5.0
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 440c509d4..836d6f954 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -9,7 +9,7 @@ dependencies:
 - matplotlib-base =3.11.0
 - nglview =4.0.1
 - notebook
-- numpy =2.5.1
+- numpy =2.5.3
 - phonopy =4.4.0
 - plotly =7.0.0
 - pymatgen =2026.5.4
diff --git a/binder/environment.yml b/binder/environment.yml
index eac5dae3e..ec6846394 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -7,7 +7,7 @@ dependencies:
 - dscribe =2.1.2
 - matplotlib-base =3.11.0
 - notebook
-- numpy =2.5.1
+- numpy =2.5.3
 - phonopy =4.3.1
 - plotly =6.9.0
 - pymatgen =2026.5.4
diff --git a/pyproject.toml b/pyproject.toml
index 47f4e8e3c..b78ee80cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 ]
 dependencies = [
     "ase==3.29.0",
-    "numpy==2.5.1",
+    "numpy==2.5.3",
     "scipy==1.18.0",
 ]
 dynamic = ["version"]