diff --git a/.ci_support/environment_mini.yml b/.ci_support/environment_mini.yml
index f6620267d..19dce7637 100644
--- a/.ci_support/environment_mini.yml
+++ b/.ci_support/environment_mini.yml
@@ -3,6 +3,5 @@ channels:
 dependencies:
 - ase =3.22.1
 - coverage
-- matplotlib-base =3.8.2
 - numpy =1.26.2
 - scipy =1.11.4
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 2f64f1d64..c62550909 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -23,7 +23,7 @@ jobs:
       with:
         python-version: "3.11"
     - name: Install dependencies
-      run: python -m pip install --user --upgrade ase matplotlib numpy scipy setuptools versioneer wheel
+      run: python -m pip install --user --upgrade ase numpy scipy setuptools versioneer wheel
     - name: Convert dependencies
       run: |
         cp .ci_support/environment-old.yml environment.yml
diff --git a/pyproject.toml b/pyproject.toml
index 6ef831848..376cc5b49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["ase", "matplotlib", "numpy", "setuptools", "scipy", "versioneer[toml]==0.29"]
+requires = ["ase", "numpy", "setuptools", "scipy", "versioneer[toml]==0.29"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -25,7 +25,6 @@ classifiers = [
 ]
 dependencies = [
     "ase==3.22.1",
-    "matplotlib==3.8.2",
     "numpy==1.26.2",
     "scipy==1.11.4",
 ]
@@ -43,6 +42,7 @@ grainboundary = [
 ]
 pyscal = ["pyscal2==2.10.18"]
 nglview = ["nglview==3.0.8"]
+matplotlib = ["matplotlib==3.8.2"]
 plotly = ["plotly==5.18.0"]
 clusters = ["scikit-learn==1.3.2"]
 symmetry = ["spglib==2.1.0"]