diff --git a/docs/Project.toml b/docs/Project.toml
index 6a05601b..072e83db 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -27,7 +27,7 @@ CTBase = "0.16"
 CTDirect = "0.15"
 CTFlows = "0.8"
 CTModels = "0.6"
-CTParser = "0.5"
+CTParser = "0.6"
 CommonSolve = "0.2"
 DataFrames = "1"
 Documenter = "1.8"