diff --git a/Project.toml b/Project.toml
index dcae2e80..b31aa137 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ Cubature = "1.5"
 Distributions = "0.25"
 ForwardDiff = "0.10"
 GSL = "1"
-MvNormalCDF = "0.2"
+MvNormalCDF = "0.2, 0.3"
 PrecompileTools = "1"
 Roots = "1, 2"
 SpecialFunctions = "2"