diff --git a/turing/13-model_comparison-roaches.jl b/turing/13-model_comparison-roaches.jl
index d67ccf5..b5c2095 100644
--- a/turing/13-model_comparison-roaches.jl
+++ b/turing/13-model_comparison-roaches.jl
@@ -1,3 +1,7 @@
+# FIXME: ParetoSmooth is not compatible with Turing 0.29
+using Pkg
+Pkg.add("ParetoSmooth")
+
 using Turing
 using CSV
 using DataFrames
diff --git a/turing/Project.toml b/turing/Project.toml
index ecf48ae..5143932 100644
--- a/turing/Project.toml
+++ b/turing/Project.toml
@@ -5,7 +5,7 @@ CategoricalArrays = "324d7699-5711-5eae-9e2f-1d82baa6b597"
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 LazyArrays = "5078a376-72f3-5289-bfd5-ec5146d43c02"
 PDMats = "90014a1f-27ba-587c-ab20-58faa44d9150"
-ParetoSmooth = "a68b5a21-f429-434e-8bfa-46b447300aac"
+#ParetoSmooth = "a68b5a21-f429-434e-8bfa-46b447300aac"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 StatsFuns = "4c63d2b9-4356-54db-8cca-17b64c39e42c"
 TransformVariables = "84d833dd-6860-57f9-a1a7-6da5db126cff"
@@ -18,9 +18,9 @@ CategoricalArrays = "0.10"
 DataFrames = "1"
 LazyArrays = "1"
 PDMats = "0.11"
-ParetoSmooth = "0.7"
+#ParetoSmooth = "0.7"
 StatsBase = "0.34"
 StatsFuns = "1"
 TransformVariables = "0.8"
-Turing = "0.29"
+Turing = "0.22"
 julia = "1"