diff --git a/Project.toml b/Project.toml
index 95ecbcc..3835f43 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,6 +39,7 @@ FastGaussQuadrature = "1"
 FiniteDiff = "2"
 FixedPoint = "1"
 ForwardDiff = "0.10"
+LaTeXStrings = "1"
 LineSearches = "7"
 MINPACK = "1"
 NLsolve = "4"