diff --git a/Project.toml b/Project.toml
index fbdbf4c..14441e0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,8 +15,9 @@ Pipe = "b98c9c47-44ae-5843-9183-064241ee97a0"
 
 [compat]
 Crayons = "4"
-Distributions = "0.25"
 DataFrames = "1"
+Distributions = "0.25"
+ForwardDiff = "0.10"
 MacroTools = "0.5"
 NLsolve = "4"
 OrderedCollections = "1"