diff --git a/.ci_support/environment-mpich.yml b/.ci_support/environment-mpich.yml
index e2a9e16..a85e726 100644
--- a/.ci_support/environment-mpich.yml
+++ b/.ci_support/environment-mpich.yml
@@ -4,7 +4,7 @@ dependencies:
 - coverage
 - lammps =2024.06.27=*_mpi_mpich_*
 - mpich =4.2.3
-- numpy =1.26.4
+- numpy =2.1.3
 - mpi4py =4.0.1
 - executorlib =0.0.5
 - ase =3.23.0
diff --git a/.ci_support/environment-openmpi.yml b/.ci_support/environment-openmpi.yml
index 5c88525..94ac36c 100644
--- a/.ci_support/environment-openmpi.yml
+++ b/.ci_support/environment-openmpi.yml
@@ -4,7 +4,7 @@ dependencies:
 - coverage
 - lammps =2024.06.27=*_mpi_openmpi_*
 - openmpi =5.0.5
-- numpy =1.26.4
+- numpy =2.1.3
 - mpi4py =4.0.1
 - executorlib =0.0.5
 - ase =3.23.0
diff --git a/binder/environment.yml b/binder/environment.yml
index ae1984c..e98a84d 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -2,7 +2,7 @@ channels:
 - conda-forge
 dependencies:
 - openmpi
-- numpy =1.26.4
+- numpy =2.1.3
 - lammps =2024.06.27
 - mpi4py =4.0.1
 - executorlib =0.0.4
diff --git a/pyproject.toml b/pyproject.toml
index 376c799..83597e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
 dependencies = [
     "mpi4py==4.0.1",
     "executorlib==0.0.5",
-    "numpy==1.26.4",
+    "numpy==2.1.3",
 ]
 dynamic = ["version"]