diff --git a/Project.toml b/Project.toml
index a9678db..195c155 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,7 +20,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Bridge = "0.9, 0.10, 0.11"
 Distributions = "0.21, 0.22, 0.23"
 ForwardDiff = "0.10"
-GaussianDistributions = "0.3.2, 0.4"
+GaussianDistributions = "0.3.2, 0.4, 0.5"
 Interpolations = "0.12"
 Parameters = "0"
 RollingFunctions = "0.6"