diff --git a/requirements.txt b/requirements.txt
index ad2688d..798dc88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-bayescd==0.4
+bayescd>=0.4
 changepy>=0.3.1
 hyperopt>=0.1.2
 numpy>=1.17.5, <=1.22.4