diff --git a/contracts/hackatom/src/contract.rs b/contracts/hackatom/src/contract.rs
index 52c02ce84d..ad21644810 100644
--- a/contracts/hackatom/src/contract.rs
+++ b/contracts/hackatom/src/contract.rs
@@ -36,6 +36,7 @@ pub fn instantiate(
 }
 
 #[entry_point]
+#[migrate_version(42)]
 pub fn migrate(deps: DepsMut, _env: Env, msg: MigrateMsg) -> Result<Response, HackError> {
     let data = deps
         .storage
diff --git a/packages/vm/src/cache.rs b/packages/vm/src/cache.rs
index b5790662ff..c83889bc90 100644
--- a/packages/vm/src/cache.rs
+++ b/packages/vm/src/cache.rs
@@ -1416,7 +1416,7 @@ mod tests {
                     E::Query
                 ]),
                 required_capabilities: BTreeSet::new(),
-                contract_migrate_version: None,
+                contract_migrate_version: Some(42),
             }
         );
 
diff --git a/packages/vm/src/instance.rs b/packages/vm/src/instance.rs
index 4dfe1f00e5..d3166d7a5d 100644
--- a/packages/vm/src/instance.rs
+++ b/packages/vm/src/instance.rs
@@ -914,7 +914,7 @@ mod tests {
 
         let report2 = instance.create_gas_report();
         assert_eq!(report2.used_externally, 251);
-        assert_eq!(report2.used_internally, 12109530);
+        assert_eq!(report2.used_internally, 11473730);
         assert_eq!(report2.limit, LIMIT);
         assert_eq!(
             report2.remaining,
@@ -1105,7 +1105,7 @@ mod tests {
             .unwrap();
 
         let init_used = orig_gas - instance.get_gas_left();
-        assert_eq!(init_used, 12109781);
+        assert_eq!(init_used, 11473981);
     }
 
     #[test]
@@ -1130,7 +1130,7 @@ mod tests {
             .unwrap();
 
         let execute_used = gas_before_execute - instance.get_gas_left();
-        assert_eq!(execute_used, 12658786);
+        assert_eq!(execute_used, 12086566);
     }
 
     #[test]
@@ -1173,6 +1173,6 @@ mod tests {
         );
 
         let query_used = gas_before_query - instance.get_gas_left();
-        assert_eq!(query_used, 8094896);
+        assert_eq!(query_used, 7570446);
     }
 }
diff --git a/packages/vm/testdata/hackatom.wasm b/packages/vm/testdata/hackatom.wasm
index c7941a1a8f..359ad13fa8 120000
--- a/packages/vm/testdata/hackatom.wasm
+++ b/packages/vm/testdata/hackatom.wasm
@@ -1 +1 @@
-hackatom_1.2.wasm
\ No newline at end of file
+hackatom_1.3.wasm
\ No newline at end of file
diff --git a/packages/vm/testdata/hackatom_1.3.wasm b/packages/vm/testdata/hackatom_1.3.wasm
new file mode 100644
index 0000000000..580f9cf136
Binary files /dev/null and b/packages/vm/testdata/hackatom_1.3.wasm differ