diff --git a/Project.toml b/Project.toml
index efe1de8c..85eba9d3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -53,7 +53,7 @@ Reexport = "0.2"
 Requires = "0.5, 1.0"
 StructArrays = "0.4"
 TransformVariables = "0.3"
-Turing = "0.12"
+Turing = "0.12, 0.13"
 julia = "1.3"
 
 [extras]