diff --git a/waveglow/requirements.txt b/waveglow/requirements.txt
index 20c8b3e..0896b34 100644
--- a/waveglow/requirements.txt
+++ b/waveglow/requirements.txt
@@ -1,7 +1,7 @@
 torch==1.0
 matplotlib==2.1.0
 tensorflow
-numpy==1.13.3
+numpy==1.22.0
 inflect==0.2.5
 librosa==0.6.0
 scipy==1.0.0