diff --git a/offchain/Cargo.toml b/offchain/Cargo.toml
index 696760be6..c336fb3c5 100644
--- a/offchain/Cargo.toml
+++ b/offchain/Cargo.toml
@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
   "advance-runner",
   "authority-claimer",