diff --git a/B/BeliefPropagation/Versions.toml b/B/BeliefPropagation/Versions.toml
index 0788cadf3f173b5..ca37dd15fdc943a 100644
--- a/B/BeliefPropagation/Versions.toml
+++ b/B/BeliefPropagation/Versions.toml
@@ -21,3 +21,6 @@ git-tree-sha1 = "3d7196bb7de964077a6a3024db34c025eefe428e"
 
 ["0.4.1"]
 git-tree-sha1 = "be74e1b95fbaf3dfcd8f0508aeca9093a6301960"
+
+["0.4.2"]
+git-tree-sha1 = "affcf6aac965b679910833fc7ce6d5bd6150f233"