diff --git a/test/Project.toml b/test/Project.toml
index db7e8ecba..f8aa7038a 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -22,7 +22,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
 AbstractMCMC = "2.1, 3.0, 4"
-AbstractPPL = "0.5"
+AbstractPPL = "0.5, 0.6"
 Bijectors = "0.11, 0.12"
 Distributions = "0.25"
 DistributionsAD = "0.6.3"