diff --git a/.ci_support/environment-mpich.yml b/.ci_support/environment-mpich.yml
index ad8463a..c483539 100644
--- a/.ci_support/environment-mpich.yml
+++ b/.ci_support/environment-mpich.yml
@@ -4,7 +4,7 @@ dependencies:
 - coverage
 - lammps =2024.08.29=*_mpi_mpich_*
 - mpich =4.3.2
-- numpy =2.3.3
+- numpy =2.3.4
 - mpi4py =4.1.1
 - executorlib =1.7.2
 - ase =3.26.0
diff --git a/.ci_support/environment-openmpi.yml b/.ci_support/environment-openmpi.yml
index 0712737..7b8b740 100644
--- a/.ci_support/environment-openmpi.yml
+++ b/.ci_support/environment-openmpi.yml
@@ -4,7 +4,7 @@ dependencies:
 - coverage
 - lammps =2024.08.29=*_mpi_openmpi_*
 - openmpi =5.0.8
-- numpy =2.3.3
+- numpy =2.3.4
 - mpi4py =4.1.1
 - executorlib =1.7.2
 - ase =3.26.0
diff --git a/binder/environment.yml b/binder/environment.yml
index 11e7f4e..ae1934c 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -4,7 +4,7 @@ dependencies:
 - openmpi
 - hatchling
 - hatch-vcs
-- numpy =2.3.3
+- numpy =2.3.4
 - lammps =2024.08.29=*_mpi_openmpi_*
 - mpi4py =4.1.1
 - executorlib =1.7.2
diff --git a/pyproject.toml b/pyproject.toml
index fb91504..cfee79e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
 dependencies = [
     "mpi4py==4.1.1",
     "executorlib==1.7.2",
-    "numpy==2.3.3",
+    "numpy==2.3.4",
 ]
 dynamic = ["version"]