diff --git a/campaign/src/lib.rs b/campaign/src/lib.rs
index b8586af..72f572f 100644
--- a/campaign/src/lib.rs
+++ b/campaign/src/lib.rs
@@ -1,6 +1,8 @@
 #![no_std]
 use soroban_sdk::{contract, contractimpl, Env};
 
+pub const VERSION: u32 = 1;
+
 #[contract]
 pub struct CampaignContract;
 
@@ -9,4 +11,8 @@ impl CampaignContract {
     pub fn hello(env: Env) -> soroban_sdk::Symbol {
         soroban_sdk::Symbol::new(&env, "campaign")
     }
+
+    pub fn version() -> u32 {
+        VERSION
+    }
 }