diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 63ded5feb..cddcb2bef 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -4,7 +4,7 @@ dependencies:
 - aimsgb =1.1.0
 - ase =3.22.1
 - coverage
-- matplotlib-base =3.8.0
+- matplotlib-base =3.8.1
 - nglview =3.0.8
 - numpy =1.26.0
 - phonopy =2.20.0
diff --git a/.ci_support/environment_mini.yml b/.ci_support/environment_mini.yml
index 7fe5a0fba..0c63df710 100644
--- a/.ci_support/environment_mini.yml
+++ b/.ci_support/environment_mini.yml
@@ -3,6 +3,6 @@ channels:
 dependencies:
 - ase =3.22.1
 - coverage
-- matplotlib-base =3.7.2
+- matplotlib-base =3.8.1
 - numpy =1.26.0
 - scipy =1.11.3
diff --git a/setup.py b/setup.py
index 1d0f2ae85..59d11828a 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
     packages=find_packages(exclude=["*tests*", "*docs*", "*binder*", "*conda*", "*notebooks*", "*.ci_support*"]),
     install_requires=[
         'ase==3.22.1',
-        'matplotlib==3.8.0',  # ase already requires matplotlib
+        'matplotlib==3.8.1',  # ase already requires matplotlib
         'numpy==1.26.0',  # ase already requires numpy
         'scipy==1.11.3',  # ase already requires scipy
     ],