diff --git a/Project.toml b/Project.toml
index 252e2e2da..026c5b8d7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -40,7 +40,7 @@ MCMCDiagnosticTools = "0.3"
 MLJModelInterface = "0.3.5, 0.4, 1.0"
 NaturalSort = "1"
 OrderedCollections = "1.4"
-PrettyTables = "0.9, 0.10, 0.11, 0.12, 1, 2"
+PrettyTables = "0.9, 0.10, 0.11, 0.12, 1, 2, 3"
 Random = "<0.0.1, 1"
 RecipesBase = "0.7, 0.8, 1.0"
 Statistics = "<0.0.1, 1"