diff --git a/requirements-dev.txt b/requirements-dev.txt
index 341498b4..bfe96baa 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 -e .
 pytest
 mkdocs==1.0.4
-mkdocs-include-markdown-plugin==1.0.0
+mkdocs-include-markdown-plugin==2.1.1
 pymdown-extensions
 pip-tools
 requests