diff --git a/pyproject.toml b/pyproject.toml
index e4634fa2..4fe8d629 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ maintainers = [
 requires-python = ">=3.9"
 dependencies = [
     "fsspec >=2024.5.0",
-    "pathlib-abc ==0.5.1",
+    "pathlib-abc >=0.5.1,<0.6.0",
 ]
 classifiers = [
     "Programming Language :: Python :: 3",