diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4c50265..9535ab6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 appdirs==1.4.4
-attrs==20.3.0
+attrs==22.1.0
 click==7.1.2
 flake8==3.8.4
 iniconfig==1.1.1