diff --git a/dev-requirements.txt b/dev-requirements.txt
index a60e301..7c42f77 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,4 +1,4 @@
-pydocstyle==3.0.0
+pydocstyle==5.1.1
 flake8
 flake8-colors
 flake8-blind-except