diff --git a/near-plugins-derive/tests/access_controllable.rs b/near-plugins-derive/tests/access_controllable.rs
index 056b35a..9224843 100644
--- a/near-plugins-derive/tests/access_controllable.rs
+++ b/near-plugins-derive/tests/access_controllable.rs
@@ -8,7 +8,7 @@ use common::utils::{
     assert_success_with,
 };
 use near_plugins::access_controllable::{PermissionedAccounts, PermissionedAccountsPerRole};
-use near_sdk::serde_json::json;
+use near_sdk::serde_json::{self, json};
 use near_workspaces::network::Sandbox;
 use near_workspaces::result::ExecutionFinalResult;
 use near_workspaces::{Account, AccountId, Contract, Worker};
@@ -42,25 +42,39 @@ impl Setup {
         Self::new_with_admins_and_grantees(Default::default(), Default::default()).await
     }
 
+    /// Deploys the contract with a specific wasm binary.
+    async fn new_with_wasm(wasm: Vec<u8>) -> anyhow::Result<Self> {
+        Self::deploy_contract(
+            wasm,
+            json!({
+                "admins": HashMap::<String, AccountId>::new(),
+                "grantees": HashMap::<String, AccountId>::new()
+            }),
+        )
+        .await
+    }
+
     /// Deploys the contract and passes `admins` and `grantees` to the initialization method. Note
     /// that accounts corresponding to the ids in `admins` and `grantees` are _not_ created.
     async fn new_with_admins_and_grantees(
         admins: HashMap<String, AccountId>,
         grantees: HashMap<String, AccountId>,
     ) -> anyhow::Result<Self> {
-        let worker = near_workspaces::sandbox().await?;
         let wasm =
             common::repo::compile_project(Path::new(PROJECT_PATH), "access_controllable").await?;
+
+        Self::deploy_contract(wasm, json!({ "admins": admins, "grantees": grantees })).await
+    }
+
+    async fn deploy_contract(wasm: Vec<u8>, args: serde_json::Value) -> anyhow::Result<Self> {
+        let worker = near_workspaces::sandbox().await?;
         let contract = AccessControllableContract::new(worker.dev_deploy(&wasm).await?);
         let account = worker.dev_create_account().await?;
 
         contract
             .contract()
             .call("new")
-            .args_json(json!({
-                "admins": admins,
-                "grantees": grantees,
-            }))
+            .args_json(args)
             .max_gas()
             .transact()
             .await?
@@ -1520,3 +1534,70 @@ async fn test_acl_revoke_role_unchecked_is_private() -> anyhow::Result<()> {
     assert_private_method_failure(res, "acl_revoke_role_unchecked");
     Ok(())
 }
+
+const WASM_V_0_2_0_FILEPATH: &str = "tests/data/access_controllable_v_0_2_0.wasm";
+
+#[tokio::test]
+async fn test_upgrade_storage() -> anyhow::Result<()> {
+    let role = "ByMax2Increaser";
+    let role2 = "Resetter";
+
+    let old_wasm = std::fs::read(WASM_V_0_2_0_FILEPATH)?;
+    let Setup {
+        contract, account, ..
+    } = Setup::new_with_wasm(old_wasm).await?;
+
+    let contract_account = contract.contract().as_account();
+
+    let _ = contract
+        .acl_init_super_admin(contract_account, account.id())
+        .await?;
+
+    let result = contract
+        .acl_grant_role(&account, role, account.id())
+        .await?;
+    assert!(result.is_some());
+    assert!(result.unwrap());
+
+    let result = contract
+        .acl_grant_role(&account, role2, account.id())
+        .await?;
+    assert!(result.is_some());
+    assert!(result.unwrap());
+
+    let admin_account_id: AccountId = "alice.near".parse().unwrap();
+    let added = contract
+        .acl_add_admin(&account, role, &admin_account_id)
+        .await?;
+    assert!(added.is_some());
+    assert!(added.unwrap());
+
+    let new_wasm =
+        common::repo::compile_project(Path::new(PROJECT_PATH), "access_controllable").await?;
+
+    // New version
+    let contract = contract
+        .contract()
+        .as_account()
+        .deploy(&new_wasm)
+        .await
+        .unwrap()
+        .result;
+    let contract = AccessControllableContract::new(contract);
+
+    let has_role = contract.acl_has_role(&account, role, account.id()).await?;
+    assert!(has_role);
+
+    let has_role = contract.acl_has_role(&account, role2, account.id()).await?;
+    assert!(has_role);
+
+    let is_admin = contract
+        .acl_is_admin(&account, role, &admin_account_id)
+        .await?;
+    assert!(is_admin);
+
+    let is_super_admin = contract.acl_is_super_admin(&account, account.id()).await?;
+    assert!(is_super_admin);
+
+    Ok(())
+}
diff --git a/near-plugins-derive/tests/data/access_controllable_v_0_2_0.wasm b/near-plugins-derive/tests/data/access_controllable_v_0_2_0.wasm
new file mode 100755
index 0000000..e98b89e
Binary files /dev/null and b/near-plugins-derive/tests/data/access_controllable_v_0_2_0.wasm differ