diff --git a/md/environment.yml b/md/environment.yml
index dca11b9d..17986452 100644
--- a/md/environment.yml
+++ b/md/environment.yml
@@ -5,6 +5,6 @@ dependencies:
 - pyiron =0.5.2
 - pyiron_atomistics =0.7.20
 - pyiron-data =0.0.30
-- nglview =3.1.4
+- nglview =4.0
 - lammps =2024.06.27=*openmpi*
 - openkim-models =2021.01.28
diff --git a/mpie_cmti/environment.yml b/mpie_cmti/environment.yml
index 515f2fbb..982658ff 100644
--- a/mpie_cmti/environment.yml
+++ b/mpie_cmti/environment.yml
@@ -19,7 +19,7 @@ dependencies:
 - matgl =1.0.0
 - nbgitpuller =1.2.2
 - netcdf4 =1.7.2
-- nglview =3.1.4
+- nglview =4.0
 - mkl =2023.2.0
 - mlip =3.0
 - numba =0.62.1
diff --git a/requirements.txt b/requirements.txt
index bd76c547..12268168 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ gpaw==24.6.0
 hyperspy==2.2.0
 jupyter-server-proxy==4.4.0
 nbgitpuller==1.2.2
-nglview==3.1.4
+nglview==4.0
 pystem==0.0.26
 python-ace==0.3.1
 pyvista==0.44.2