diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4d08133..c51b0e1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,4 +5,4 @@ pytest==7.1.3
 pytest-cov==3.0.0
 flake8==5.0.4
 mypy==0.971
-types-markdown==3.4.2
+types-markdown==3.4.2.1