diff --git a/pyproject.toml b/pyproject.toml
index 502f640bb..1455ef4c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,6 +57,7 @@ test = [
 docs = [
   # MkDocs to build our documentation.
   "mkdocs==1.6.1",
+  "mkdocs-material[imaging]==9.7.0",
   # pylinkvalidator to check for broken links in documentation.
   "pylinkvalidator==0.3",
 ]