diff --git a/TensorFlow/built-in/nlp/Transformer_ID0004_for_TensorFlow/requirements.txt b/TensorFlow/built-in/nlp/Transformer_ID0004_for_TensorFlow/requirements.txt
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..f3e141968c27602dcb4635da5d55bdeabdc7e307 100644
--- a/TensorFlow/built-in/nlp/Transformer_ID0004_for_TensorFlow/requirements.txt
+++ b/TensorFlow/built-in/nlp/Transformer_ID0004_for_TensorFlow/requirements.txt
@@ -0,0 +1 @@
+pyyaml<= 5.0
\ No newline at end of file