diff --git a/staking/Cargo.lock b/staking/Cargo.lock
index 0851e13a..7417332e 100644
--- a/staking/Cargo.lock
+++ b/staking/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 4
+version = 3
 
 [[package]]
 name = "Inflector"