diff --git a/docs/Project.toml b/docs/Project.toml
index 39769f1..0733e33 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -30,7 +30,7 @@ NLopt = "0.6, 1"
 Optim = "1"
 Optimization = "3"
 OptimizationBBO = "0.1, 0.2"
-OptimizationMOI = "0.1, 0.2, 0.3"
+OptimizationMOI = "0.1, 0.2, 0.3, 0.4"
 OptimizationNLopt = "0.1, 0.2"
 OptimizationOptimJL = "0.1, 0.2"
 Plots = "1"