diff --git a/Project.toml b/Project.toml
index 58151d0..a601c29 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,6 +11,7 @@ Preferences = "21216c6a-2e73-6563-6e65-726566657250"
 Static = "aedffcd0-7271-4cad-89d0-dc628f76c6d3"
 
 [compat]
+Preferences = "1"
 BitTwiddlingConvenienceFunctions = "0.1"
 IfElse = "0.1"
 Static = "0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 1"