diff --git a/Project.toml b/Project.toml
index 93f0e92..3df579b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,7 +16,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 [compat]
 Folds = "0.2.7"
 GroupsCore = "0.4"
-KnuthBendix = "0.3"
+KnuthBendix = "0.4"
 OrderedCollections = "1"
 PermutationGroups = "0.3"
 StaticArrays = "1"