diff --git a/docs/Project.toml b/docs/Project.toml
index 7a2e1daab..1171ea153 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -72,7 +72,7 @@ OptimizationEvolutionary = "0.4"
 OptimizationGCMAES = "0.3"
 OptimizationIpopt = "0.2"
 OptimizationMOI = "0.5"
-OptimizationManopt = "0.0.5"
+OptimizationManopt = "0.0.5, 0.0.4"
 OptimizationMetaheuristics = "0.3"
 OptimizationNLPModels = "0.0.2"
 OptimizationNLopt = "0.3"