diff --git a/requirements.txt b/requirements.txt
index 659fe787..bfa3fa97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ tqdm
 inflect
 bokeh==1.4.0
 pysbd
-pyworld
+# pyworld
 soundfile
 nose==1.3.7
 cardboardlint==1.3.0