diff --git a/build-constraints.yaml b/build-constraints.yaml
index 179a8187..be459bac 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2624,7 +2624,7 @@ packages:
     "Lennart Spitzner <hexagoxel@hexagoxel.de> @lspitzner":
         - multistate
         - pqueue
-        - butcher ==1.1.1.0
+        - butcher
         - czipwith
         - brittany