diff --git a/Project.toml b/Project.toml
index 7022e906c..2d0f4fc3e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -29,7 +29,7 @@ CTDirect = "1"
 CTFlows = "0.18"
 CTLie = "0.2"
 CTModels = "0.19"
-CTParser = "0.9"
+CTParser = "0.9, 0.8"
 CTSolvers = "0.5"
 CUDA = "6"
 CUDSS = "0.7"