diff --git a/Project.toml b/Project.toml
index d031b61..e871c9c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 ConditionalDists = "0.4"
 Distributions = "0.23, 0.24"
 DistributionsAD = "0.6"
-Flux = "0.11"
+Flux = "0.11, 0.13"
 IPMeasures = "0.2"
 Reexport = "0.2"
 julia = "1"