diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 9eab15617..69e8b38c2 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -13,7 +13,7 @@ dependencies:
 - h5py =3.12.1
 - jinja2 =3.1.4
 - monty =2024.12.10
-- numpy =1.26.4
+- numpy =2.2.0
 - pandas =2.2.3
 - pint =0.24.4
 - psutil =6.1.0
diff --git a/.ci_support/environment-mini.yml b/.ci_support/environment-mini.yml
index 69897c8b9..2ea799db2 100644
--- a/.ci_support/environment-mini.yml
+++ b/.ci_support/environment-mini.yml
@@ -5,7 +5,7 @@ dependencies:
 - h5io_browser =0.1.4
 - h5py =3.12.1
 - monty =2024.12.10
-- numpy =1.26.4
+- numpy =2.2.0
 - pandas =2.2.3
 - psutil =6.1.0
 - pyfileindex =0.0.31
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 8a0049844..26e700839 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -11,7 +11,7 @@ dependencies:
 - h5py =3.12.1
 - jinja2 =3.1.4
 - monty =2024.12.10
-- numpy =1.26.4
+- numpy =2.2.0
 - pandas =2.2.3
 - pint =0.24.4
 - psutil =6.1.0
diff --git a/binder/environment.yml b/binder/environment.yml
index 8844f18ac..6ec688b9f 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -10,7 +10,7 @@ dependencies:
 - h5py =3.12.1
 - jinja2 =3.1.4
 - monty =2024.12.10
-- numpy =1.26.4
+- numpy =2.2.0
 - pandas =2.2.3
 - pint =0.24.4
 - psutil =6.1.0
diff --git a/pyproject.toml b/pyproject.toml
index 8bf3503f4..ac2a2b4f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
     "executorlib==0.0.5",
     "h5io_browser==0.1.4",
     "h5py==3.12.1",
-    "numpy==1.26.4",
+    "numpy==2.2.0",
     "monty==2024.12.10",
     "pandas==2.2.3",
     "psutil==6.1.0",