diff --git a/Project.toml b/Project.toml
index d985065a9..2a2d97ebc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -45,7 +45,7 @@ LinearAlgebra = "1.6"
 LoggingExtras = "~1.0"
 MatrixAlgebraKit = "0.6.5"
 OhMyThreads = "0.7, 0.8"
-OptimKit = "0.3.1, 0.4"
+OptimKit = "0.3.1, 0.4, 0.5"
 Printf = "1"
 Random = "1"
 RecipesBase = "1.1"