diff --git a/setup.py b/setup.py
index 5b6e413..90b93ff 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
         'PyYAML~=6.0',
         'lxml~=4.4',
         'six~=1.11',
-        'multipledispatch~=0.5',
+        'multipledispatch~=1.0',
         # required until 2024-10 when python 3.9 will be the minimum supported version
         'importlib_resources>=5.0',
     ],