diff --git a/Project.toml b/Project.toml
index 1e3b5012..21cce64e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -32,7 +32,7 @@ DocumenterCitations = "1"
 JSON = "0.21"
 MCMCChains = "6"
 MPIPreferences = "0.1"
-PairPlots = "2"
+PairPlots = "2, 3"
 Pigeons = "0.4"
 PrettyTables = "2"
 julia = "1.8"