diff --git a/docs/Project.toml b/docs/Project.toml
index 3e66f10..52afb3f 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -15,7 +15,7 @@ SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 AbstractTrees = "0.3, 0.4"
 DifferentialEquations = "6.15, 7"
 Documenter = "0.27"
-GR = "0.46, 0.72"
+GR = "0.46, 0.72, 0.73"
 JuMP = "0.2, 1"
 LaTeXStrings = "1.0"
 MosekTools = "0.9, 0.12, 0.14"