diff --git a/Project.toml b/Project.toml
index 9b331d1..b666eb4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ Distributions = "0.25.62"
 LaTeXStrings = "1"
 NamedArrays = "0.9, 0.10"
 Plots = "1"
-PrettyTables = "2"
+PrettyTables = "2, 3"
 SafeTestsets = "0.0.1, 0.1"
 StatsPlots = "0.15.7"
 julia = "1"