diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4fd46bd..10ea10f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,6 +7,7 @@ build
 click
 coverage
 mypy; implementation_name=="cpython"
+click==8.1.3; implementation_name=="cpython"
 leapseconddata
 platformdirs
 pre-commit