diff --git a/requirements.txt b/requirements.txt
index 6d11220b..533c02e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,7 +80,7 @@ gitpython
 #extra: docs
 
 mkdocs
-mkdocs-material
+mkdocs-material[imaging]
 mkdocs-gen-files
 mkdocstrings
 mkdocs-glightbox