diff --git a/requirements/audio/audio_kws.txt b/requirements/audio/audio_kws.txt
index 276a0a2f..622ce981 100644
--- a/requirements/audio/audio_kws.txt
+++ b/requirements/audio/audio_kws.txt
@@ -1,5 +1,5 @@
 kaldiio
-kwsbp>=0.0.6
+kwsbp==0.0.6
 matplotlib
 py_sound_connect>=0.1
 scipy