diff --git a/docs/Project.toml b/docs/Project.toml
index 075d8db..37b68c3 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -31,7 +31,7 @@ KernelDensity = "0.6"
 MCMCChains = "6"
 Optimization = "3"
 OptimizationMOI = "0.1, 0.2"
-OptimizationNLopt = "0.1"
+OptimizationNLopt = "0.1, 0.2"
 OrdinaryDiffEq = "6"
 Plots = "1"
 SciMLSensitivity = "7"