diff --git a/pyproject.toml b/pyproject.toml
index 2ae2f1b6..5e1f01a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -237,9 +237,9 @@ asyncio_mode = "auto"
 testpaths = [
     "tests",
 ]
-#filterwarnings = [
-#    "error",
-#]
+filterwarnings = [
+    "error",
+]
 
 [tool.coverage.run]
 branch = false