diff --git a/Cargo.toml b/Cargo.toml
index 8f18210..bbdcf8c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ members = [
   "experiments",
   "szl",
 ]
+resolver = "2"
 
 [profile.release]
 panic = "abort"