diff --git a/pyproject.toml b/pyproject.toml
index 412df2bf7..9912539d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ dependencies = [
     "networkx>=2.5",
     "omegaconf",
     "packaging>=19",
-    "pathspec>=0.10.3",
+    "pathspec>=0.10.3,<1",
     "platformdirs<5,>=3.1.1",
     "psutil>=5.8",
     "pydot>=1.2.4",