diff --git a/Project.toml b/Project.toml
index e2d8840..8941290 100644
--- a/Project.toml
+++ b/Project.toml
@@ -3,7 +3,17 @@ uuid = "193c7f83-fc3f-40b4-b16f-ec9e6feb51fb"
 authors = ["KaoruBB <kaorugmbl1234@gmail.com> and contributors"]
 version = "1.0.0-DEV"
 
+[deps]
+KernelDensity = "5ab0869b-81aa-558d-bb23-cbf5423bbe9b"
+Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
+StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
+StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
+
 [compat]
+KernelDensity = "0.6.9"
+Plots = "1.40.8"
+StatsBase = "0.34.3"
+StatsPlots = "0.15.7"
 julia = "1.6.7"
 
 [extras]
diff --git a/src/BayesPlots.jl b/src/BayesPlots.jl
index 9174f37..b8c717c 100644
--- a/src/BayesPlots.jl
+++ b/src/BayesPlots.jl
@@ -2,6 +2,7 @@ module BayesPlots
 
 using KernelDensity
 using Plots
+using StatsBase
 using StatsPlots
 
 export plot_posterior_density