diff --git a/Project.toml b/Project.toml
index 14441e0..313e62c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,6 +21,7 @@ ForwardDiff = "0.10"
 MacroTools = "0.5"
 NLsolve = "4"
 OrderedCollections = "1"
+Pipe = "1"
 julia = "1"
 
 [extras]