diff --git a/Project.toml b/Project.toml
index 4d65d63..eaf897a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,6 +11,7 @@ POMDPs = "a93abf59-7444-517b-a68a-c42f96afdd7d"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 
 [compat]
+BeliefUpdaters = "0.2"
 POMDPLinter = "0.1"
 POMDPModelTools = "0.3"
 POMDPs = "0.9"