diff --git a/Project.toml b/Project.toml
index a5c9ea8f..df32dd18 100644
--- a/Project.toml
+++ b/Project.toml
@@ -68,6 +68,7 @@ IterativeSolvers = "0.9.2"
 JLD2 = "0.4.22"
 JSON = "0.21.2"
 KalmanFilterTools = "0.1.0"
+KernelDensity = "0.6.5"
 LineSearches = "7.1.1"
 LinearMaps = "3.5.1"
 LinearRationalExpectations = "0.3, 0.4"
@@ -79,6 +80,7 @@ PATHSolver = "1"
 Plots = "1.25.7"
 PolynomialMatrixEquations = "0.2.0"
 PrettyTables = "1.3.1"
+Roots = "2.0.8"
 Reexport = "1.2.2"
 RuntimeGeneratedFunctions = "0.5.3"
 SpecialFunctions = "2.1.7"