diff --git a/C/ConstraintTrees/Versions.toml b/C/ConstraintTrees/Versions.toml
index 87ea08ba7ace377..011f448f5963f30 100644
--- a/C/ConstraintTrees/Versions.toml
+++ b/C/ConstraintTrees/Versions.toml
@@ -3,3 +3,6 @@ git-tree-sha1 = "2dea27f24da5b3c1d6d196db7ed67736613d57ac"
 
 ["0.5.0"]
 git-tree-sha1 = "f65be0c25f6e0d4528a96b67cce7036d9a9dbfcf"
+
+["0.6.0"]
+git-tree-sha1 = "5abc6c4775fcf942c2aa4f94b47e763ccdc9912c"