diff --git a/pyproject.toml b/pyproject.toml
index 876d01d..809653f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ lex_browser_runtime = [
 [dependency-groups]
 dev = [
     "pytest>=8.0",
-    "ruff>=0.8",
+    "ruff>=0.8,<0.16",
 ]
 
 [tool.pytest.ini_options]