diff --git a/examples/quantization/requirements.txt b/examples/quantization/requirements.txt
index 21e5b8362..ce63abe54 100644
--- a/examples/quantization/requirements.txt
+++ b/examples/quantization/requirements.txt
@@ -3,3 +3,4 @@ nemo-toolkit[all]<=1.20.0,>=1.18.0
 rouge_score~=0.1.2
 transformers_stream_generator==0.0.4
 tiktoken
+mpmath==1.3.0