diff --git a/Project.toml b/Project.toml
index 44a5957..351b620 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Sundials"
 uuid = "c3572dad-4567-51f8-b174-8c6c989267f4"
 authors = ["Chris Rackauckas <accounts@chrisrackauckas.com>"]
-version = "4.21.0"
+version = "4.22.0"
 
 [deps]
 CEnum = "fa961155-64e5-5f13-b03f-caf6b980ea82"
@@ -22,7 +22,7 @@ DataStructures = "0.18"
 DiffEqBase = "6.122"
 PrecompileTools = "1"
 Reexport = "1.0"
-SciMLBase = "2"
+SciMLBase = "2.9"
 Sundials_jll = "5.2"
 julia = "1.9"