diff --git a/Project.toml b/Project.toml
index b10cf590..a5b8dfa2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -30,7 +30,7 @@ CTBase = "0.28"
 CTDirect = "1"
 CTFlows = "0.16"
 CTLie = "0.1"
-CTModels = "0.15"
+CTModels = "0.15, 0.16"
 CTParser = "0.8"
 CTSolvers = "0.4"
 CUDA = "5, 6"