diff --git a/test/ppl/Project.toml b/test/ppl/Project.toml
index 7460cbed..2882113d 100644
--- a/test/ppl/Project.toml
+++ b/test/ppl/Project.toml
@@ -6,5 +6,5 @@ Turing = "fce5fe82-541a-59a6-adf8-730c64b5f9a0"
 [compat]
 AbstractGPs = "0.5"
 Distributions = "0.25"
-Turing = "0.24 - 0.40"
+Turing = "0.24 - 0.40, 0.42"
 julia = "1.6"