diff --git a/tests/functional/grpo.sh b/tests/functional/grpo.sh
index d19bf05e61..1504c95c83 100755
--- a/tests/functional/grpo.sh
+++ b/tests/functional/grpo.sh
@@ -38,5 +38,5 @@ uv run coverage run -a --data-file=$PROJECT_ROOT/tests/.coverage --source=$PROJE
 uv run tests/json_dump_tb_logs.py $LOG_DIR --output_path $JSON_METRICS
 
 uv run tests/check_metrics.py $JSON_METRICS \
-    'max(data["train/gen_kl_error"]) < 1.05'
+    'max(data["train/gen_kl_error"]) < 0.001'