diff --git a/requirements.txt b/requirements.txt
index 395089d..9e142a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Cython
 librosa==0.9.2
-numpy
+numpy==1.21.6
 scipy
 tensorboard
 torch==1.13.1