diff --git a/Project.toml b/Project.toml
index f67a3f87..0c51481d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,7 +20,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 
 [compat]
-AbstractMCMC = "0.4"
+AbstractMCMC = "0.4, 0.5"
 AxisArrays = "^0.3, 0.4"
 Distributions = "^0.21, 0.22"
 Formatting = "0.4"