diff --git a/Project.toml b/Project.toml
index c39ab99..5c252d0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -9,7 +9,7 @@ StaticArraysCore = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
-Adapt = "1, 2, 3"
+Adapt = "1, 2, 3, 4"
 ChainRulesCore = "1"
 StaticArraysCore = "1"
 Statistics = "1"