diff --git a/pyproject.toml b/pyproject.toml
index 0c427a7f7..34876d20d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,6 @@ requires = [
     "ruamel.yaml>=0.16.0,<0.18",
     "schema-salad>=8.4.20230426093816,<9",
     "cwl-utils>=0.32",
-    "galaxy-tool-util>=22.1.2,<23.2,!=23.0.1,!=23.0.2,!=23.0.3,!=23.0.4,!=23.0.5",
     "toml",
     "argcomplete>=1.12.0",
 ]