diff --git a/Cargo.toml b/Cargo.toml
index dedc8209..3c9eddf0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,6 @@
 [workspace]
 members = ["evm", "field", "maybe_rayon", "plonky2", "starky", "util"]
+resolver = "2"
 
 [profile.release]
 opt-level = 3