diff --git a/test/Project.toml b/test/Project.toml
index f4ca6885..9fcb69de 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -7,7 +7,7 @@ Random123 = "74087812-796a-5b5d-8853-05524746bad3"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-AbstractMCMC = "2, 3, 4"
+AbstractMCMC = "2, 3, 4, 5"
 Distributions = "0.24, 0.25"
 Libtask = "0.8"
 Random123 = "1.3"