diff --git a/packages/tool_util/setup.cfg b/packages/tool_util/setup.cfg
index 61a9be1e5f1..3721d23ff1b 100644
--- a/packages/tool_util/setup.cfg
+++ b/packages/tool_util/setup.cfg
@@ -55,7 +55,6 @@ console_scripts =
 [options.extras_require]
 cwl =
     cwltool==3.1.20211107152837
-    schema-salad==8.3.20220525163636
 mulled =
     jinja2
     Whoosh