diff --git a/requirements.txt b/requirements.txt
index 5f5be3ef8..e43d36599 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ numpy==1.23.1
 scipy==1.8.1
 pandas==1.4.3
 multihist==0.6.5
-wimprates==0.3.2
+wimprates==0.4.1
 tqdm==4.64.0
 tensorflow==2.9.1
 tensorflow_probability==0.17.0