diff --git a/docs/requirements.txt b/docs/requirements.txt
index 94df30f9..65129924 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,3 +3,4 @@ ase>=3.16.0
 sphinx_rtd_theme
 jupytext
 sphinxcontrib-spelling
+nglview==3.0.8
diff --git a/pyproject.toml b/pyproject.toml
index eb0fcdc7..6d8981e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,8 @@ docs = [
     "sphinx_rtd_theme",
     "sphinxcontrib-spelling",
     "pydata-sphinx-theme",
-    "jupytext"
+    "jupytext",
+    "nglview==3.0.8"  # resolves https://github.com/libAtoms/matscipy/issues/222
 ]
 cli = [
     "argcomplete"