diff --git a/requirements.txt b/requirements.txt
index d29beae3c..2fcef208a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 distro
 isort
-jsonschema
+# https://github.com/python-jsonschema/jsonschema/releases/tag/v4.18.0 deprecates jsonschema.RefResolver
+jsonschema<4.18
 lmodule
 PyYAML>=5.2
 requests