diff --git a/test/Project.toml b/test/Project.toml
index cadc38f..2c43400 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -18,5 +18,5 @@ MCMCTesting = "0.3"
 Random = "1"
 StableRNGs = "1"
 Test = "1"
-Turing = "0.37, 0.38, 0.39"
+Turing = "0.37, 0.38, 0.39, 0.40"
 julia = "1.10"