diff --git a/CHANGELOG.md b/CHANGELOG.md
index 70b7286a..8de99064 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,17 @@ All notable changes to this project will be documented in this file. The format
 
 ### Added
 
+## Release 1.5.1
+
+### Changed
+
+- Add ACL in types of js_client (#256)
+- Fix Wrong error on insertion of duplicated token identifier (#258)
+
+### Added
+
+- Optional custom string identifier in mint entrypoint (#255)
+
 ## Release 1.5.0
 
 ### Changed
diff --git a/Makefile b/Makefile
index 449c5c60..e3b47974 100644
--- a/Makefile
+++ b/Makefile
@@ -28,13 +28,16 @@ build-contract:
 	wasm-strip test-contracts/minting_contract/target/wasm32-unknown-unknown/release/minting_contract.wasm
 	wasm-strip test-contracts/transfer_filter_contract/target/wasm32-unknown-unknown/release/transfer_filter_contract.wasm
 
+VERSIONS := 1_0_0 1_1_0 1_2_0 1_3_0 1_4_0 1_5_0
+
 setup-test: build-contract
 	mkdir -p tests/wasm
-	mkdir -p tests/wasm/1_0_0; curl -L https://github.com/casper-ecosystem/cep-78-enhanced-nft/releases/download/v1.0.0/cep-78-wasm.tar.gz | tar zxv -C tests/wasm/1_0_0/
-	mkdir -p tests/wasm/1_1_0; curl -L https://github.com/casper-ecosystem/cep-78-enhanced-nft/releases/download/v1.1.0/cep-78-wasm.tar.gz | tar zxv -C tests/wasm/1_1_0/
-	mkdir -p tests/wasm/1_2_0; curl -L https://github.com/casper-ecosystem/cep-78-enhanced-nft/releases/download/v1.2.0/cep-78-wasm.tar.gz | tar zxv -C tests/wasm/1_2_0/
-	mkdir -p tests/wasm/1_3_0; curl -L https://github.com/casper-ecosystem/cep-78-enhanced-nft/releases/download/v1.3.0/cep-78-wasm.tar.gz | tar zxv -C tests/wasm/1_3_0/
-	mkdir -p tests/wasm/1_4_0; curl -L https://github.com/casper-ecosystem/cep-78-enhanced-nft/releases/download/v1.4.0/cep-78-wasm.tar.gz | tar zxv -C tests/wasm/1_4_0/
+	$(foreach version,$(VERSIONS), \
+		if [ ! -d "tests/wasm/$(version)" ]; then \
+			mkdir -p tests/wasm/$(version); \
+			curl -L https://github.com/casper-ecosystem/cep-78-enhanced-nft/releases/download/v$(subst _,.,$(version))/cep-78-wasm.tar.gz | tar zxv -C tests/wasm/$(version)/; \
+		fi; \
+	)
 
 	cp contract/target/wasm32-unknown-unknown/release/contract.wasm tests/wasm
 	cp client/mint_session/target/wasm32-unknown-unknown/release/mint_call.wasm tests/wasm
diff --git a/client-js/CHANGELOG.md b/client-js/CHANGELOG.md
index 1ae5713f..84654282 100644
--- a/client-js/CHANGELOG.md
+++ b/client-js/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.5.1] - 2023-11-20
+
+### Fixed
+
+- Add ACL in types of js_client (#256)
+
 ## [1.5.0] - 2023-10-05
 
 ### Fixed
diff --git a/client-js/package.json b/client-js/package.json
index d87ad113..d9a326bb 100644
--- a/client-js/package.json
+++ b/client-js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "casper-cep78-js-client",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "CEP78 Enhanced NFT JS Client",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
diff --git a/client/balance_of_session/Cargo.toml b/client/balance_of_session/Cargo.toml
index 9414b10f..b2a775a0 100644
--- a/client/balance_of_session/Cargo.toml
+++ b/client/balance_of_session/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "balance_of_session"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2018"
 
 [dependencies]
diff --git a/client/get_approved_session/Cargo.toml b/client/get_approved_session/Cargo.toml
index 609195a6..e28f0197 100644
--- a/client/get_approved_session/Cargo.toml
+++ b/client/get_approved_session/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "get_approved_session"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2018"
 
 [dependencies]
diff --git a/client/is_approved_for_all_session/Cargo.toml b/client/is_approved_for_all_session/Cargo.toml
index 0962a01d..14b98280 100644
--- a/client/is_approved_for_all_session/Cargo.toml
+++ b/client/is_approved_for_all_session/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "is_approved_for_all_session"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2018"
 
 [dependencies]
diff --git a/client/mint_session/Cargo.toml b/client/mint_session/Cargo.toml
index 73f5a132..cc09ef29 100644
--- a/client/mint_session/Cargo.toml
+++ b/client/mint_session/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mint_session"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2018"
 
 [dependencies]
diff --git a/client/owner_of_session/Cargo.toml b/client/owner_of_session/Cargo.toml
index cd500639..b2b8f64f 100644
--- a/client/owner_of_session/Cargo.toml
+++ b/client/owner_of_session/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "owner_of_session"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2018"
 
 [dependencies]
diff --git a/client/transfer_session/Cargo.toml b/client/transfer_session/Cargo.toml
index 317e1391..fa10de71 100644
--- a/client/transfer_session/Cargo.toml
+++ b/client/transfer_session/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "transfer_session"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/client/updated_receipts/Cargo.toml b/client/updated_receipts/Cargo.toml
index f7b95d8b..398c2a61 100644
--- a/client/updated_receipts/Cargo.toml
+++ b/client/updated_receipts/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "updated_receipts"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/contract/Cargo.toml b/contract/Cargo.toml
index 998c25b5..ca763fc6 100644
--- a/contract/Cargo.toml
+++ b/contract/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "contract"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2018"
 
 [dependencies]
diff --git a/test-contracts/mangle_named_keys/Cargo.toml b/test-contracts/mangle_named_keys/Cargo.toml
index 5c29dc89..4d2ce876 100644
--- a/test-contracts/mangle_named_keys/Cargo.toml
+++ b/test-contracts/mangle_named_keys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mangle_named_keys"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/test-contracts/minting_contract/Cargo.toml b/test-contracts/minting_contract/Cargo.toml
index 060372f0..5baf93fa 100644
--- a/test-contracts/minting_contract/Cargo.toml
+++ b/test-contracts/minting_contract/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "minting_contract"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/test-contracts/transfer_filter_contract/Cargo.toml b/test-contracts/transfer_filter_contract/Cargo.toml
index 18511a08..52a8b937 100644
--- a/test-contracts/transfer_filter_contract/Cargo.toml
+++ b/test-contracts/transfer_filter_contract/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "transfer_filter_contract"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 28fde6ba..4836385f 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tests"
-version = "1.5.0"
+version = "1.5.1"
 edition = "2018"
 [dependencies]
 casper-engine-test-support = { version = "5.0.0", default-features = false, features = [
diff --git a/tests/src/upgrade.rs b/tests/src/upgrade.rs
index c7ea6652..c6b064a9 100644
--- a/tests/src/upgrade.rs
+++ b/tests/src/upgrade.rs
@@ -22,9 +22,10 @@ use crate::utility::{
     constants::{
         ACCOUNT_USER_1, ARG_IS_HASH_IDENTIFIER_MODE, ARG_NFT_CONTRACT_HASH,
         ARG_NFT_CONTRACT_PACKAGE_HASH, CONTRACT_1_0_0_WASM, CONTRACT_1_1_0_WASM,
-        CONTRACT_1_2_0_WASM, CONTRACT_1_3_0_WASM, CONTRACT_1_4_0_WASM, MANGLE_NAMED_KEYS,
-        MINT_1_0_0_WASM, MINT_SESSION_WASM, NFT_CONTRACT_WASM, NFT_TEST_COLLECTION,
-        NFT_TEST_SYMBOL, PAGE_SIZE, TRANSFER_SESSION_WASM, UPDATED_RECEIPTS_WASM,
+        CONTRACT_1_2_0_WASM, CONTRACT_1_3_0_WASM, CONTRACT_1_4_0_WASM, CONTRACT_1_5_0_WASM,
+        MANGLE_NAMED_KEYS, MINT_1_0_0_WASM, MINT_SESSION_WASM, NFT_CONTRACT_WASM,
+        NFT_TEST_COLLECTION, NFT_TEST_SYMBOL, PAGE_SIZE, TRANSFER_SESSION_WASM,
+        UPDATED_RECEIPTS_WASM,
     },
     installer_request_builder::{
         InstallerRequestBuilder, MetadataMutability, NFTIdentifierMode, NFTMetadataKind,
@@ -1039,6 +1040,25 @@ fn should_safely_upgrade_from_1_3_0_to_1_4_0() {
     );
 }
 
+#[test]
+fn should_safely_upgrade_from_1_4_0_to_1_5_0() {
+    //* starting total_token_supply 100u64
+    let expected_total_token_supply_post_upgrade = 10;
+    should_safely_upgrade_from_old_version_to_new_version_with_reporting_mode(
+        CONTRACT_1_4_0_WASM,
+        CONTRACT_1_5_0_WASM,
+        OwnerReverseLookupMode::NoLookUp,
+        expected_total_token_supply_post_upgrade,
+    );
+    let expected_total_token_supply_post_upgrade = 100;
+    should_safely_upgrade_from_old_version_to_new_version_with_reporting_mode(
+        CONTRACT_1_4_0_WASM,
+        CONTRACT_1_5_0_WASM,
+        OwnerReverseLookupMode::Complete,
+        expected_total_token_supply_post_upgrade,
+    );
+}
+
 #[test]
 fn should_safely_upgrade_from_1_4_0_to_current_version() {
     //* starting total_token_supply 100u64
@@ -1058,6 +1078,25 @@ fn should_safely_upgrade_from_1_4_0_to_current_version() {
     );
 }
 
+#[test]
+fn should_safely_upgrade_from_1_5_0_to_current_version() {
+    //* starting total_token_supply 100u64
+    let expected_total_token_supply_post_upgrade = 10;
+    should_safely_upgrade_from_old_version_to_new_version_with_reporting_mode(
+        CONTRACT_1_5_0_WASM,
+        NFT_CONTRACT_WASM,
+        OwnerReverseLookupMode::NoLookUp,
+        expected_total_token_supply_post_upgrade,
+    );
+    let expected_total_token_supply_post_upgrade = 100;
+    should_safely_upgrade_from_old_version_to_new_version_with_reporting_mode(
+        CONTRACT_1_5_0_WASM,
+        NFT_CONTRACT_WASM,
+        OwnerReverseLookupMode::Complete,
+        expected_total_token_supply_post_upgrade,
+    );
+}
+
 #[test]
 fn should_safely_upgrade_from_1_0_0_to_1_2_0_to_current_version() {
     let mut builder = InMemoryWasmTestBuilder::default();
@@ -1280,6 +1319,228 @@ fn should_safely_upgrade_from_1_0_0_to_1_3_0_to_current_version() {
     assert_eq!(actual_event, expected_event, "Expected Migration event.");
 }
 
+#[test]
+fn should_safely_upgrade_from_1_0_0_to_1_4_0_to_current_version() {
+    let mut builder = InMemoryWasmTestBuilder::default();
+    builder
+        .run_genesis(&PRODUCTION_RUN_GENESIS_REQUEST)
+        .commit();
+
+    let install_request = InstallerRequestBuilder::new(*DEFAULT_ACCOUNT_ADDR, CONTRACT_1_0_0_WASM)
+        .with_collection_name(NFT_TEST_COLLECTION.to_string())
+        .with_collection_symbol(NFT_TEST_SYMBOL.to_string())
+        .with_total_token_supply(100u64)
+        .with_ownership_mode(OwnershipMode::Transferable)
+        .with_metadata_mutability(MetadataMutability::Mutable)
+        .with_identifier_mode(NFTIdentifierMode::Ordinal)
+        .with_nft_metadata_kind(NFTMetadataKind::Raw)
+        .build();
+
+    builder.exec(install_request).expect_success().commit();
+
+    let nft_contract_hash_1_0_0 = support::get_nft_contract_hash_1_0_0(&builder);
+    let nft_contract_key_1_0_0: Key = nft_contract_hash_1_0_0.into();
+
+    let upgrade_request = ExecuteRequestBuilder::standard(
+        *DEFAULT_ACCOUNT_ADDR,
+        CONTRACT_1_4_0_WASM,
+        runtime_args! {
+            ARG_NFT_CONTRACT_HASH => nft_contract_key_1_0_0,
+            ARG_COLLECTION_NAME => NFT_TEST_COLLECTION.to_string(),
+            ARG_NAMED_KEY_CONVENTION => NamedKeyConventionMode::V1_0Standard as u8,
+            ARG_EVENTS_MODE => EventsMode::CES as u8,
+            ARG_TOTAL_TOKEN_SUPPLY => 50u64
+        },
+    )
+    .build();
+
+    builder.exec(upgrade_request).expect_success().commit();
+
+    let total_token_supply_post_upgrade = support::get_stored_value_from_global_state::<u64>(
+        &builder,
+        nft_contract_key_1_0_0,
+        vec![ARG_TOTAL_TOKEN_SUPPLY.to_string()],
+    )
+    .expect("must get u64 value");
+
+    assert_eq!(total_token_supply_post_upgrade, 50u64);
+
+    let nft_contract_hash_1_4_0: ContractHash = support::get_nft_contract_hash(&builder);
+    let nft_contract_key_1_4_0: Key = nft_contract_hash_1_4_0.into();
+
+    let number_of_tokens_pre_migration = 3usize;
+
+    // Build of prestate before migration.
+    for _i in 0..number_of_tokens_pre_migration {
+        let mint_request = ExecuteRequestBuilder::standard(
+            *DEFAULT_ACCOUNT_ADDR,
+            MINT_SESSION_WASM,
+            runtime_args! {
+                ARG_NFT_CONTRACT_HASH => nft_contract_key_1_4_0,
+                ARG_TOKEN_OWNER => Key::Account(*DEFAULT_ACCOUNT_ADDR),
+                ARG_TOKEN_META_DATA => "",
+                ARG_COLLECTION_NAME => NFT_TEST_COLLECTION.to_string()
+            },
+        )
+        .build();
+
+        builder.exec(mint_request).expect_success().commit();
+    }
+
+    let upgrade_request = ExecuteRequestBuilder::standard(
+        *DEFAULT_ACCOUNT_ADDR,
+        NFT_CONTRACT_WASM,
+        runtime_args! {
+            ARG_NFT_CONTRACT_HASH => nft_contract_key_1_4_0,
+            ARG_COLLECTION_NAME => NFT_TEST_COLLECTION.to_string(),
+            ARG_NAMED_KEY_CONVENTION => NamedKeyConventionMode::V1_0Custom as u8,
+            ARG_ACCESS_KEY_NAME_1_0_0 => format!("{PREFIX_ACCESS_KEY_NAME}_{NFT_TEST_COLLECTION}"),
+            ARG_HASH_KEY_NAME_1_0_0 => format!("{PREFIX_HASH_KEY_NAME}_{NFT_TEST_COLLECTION}"),
+            ARG_TOTAL_TOKEN_SUPPLY => 10u64,
+        },
+    )
+    .build();
+
+    builder.exec(upgrade_request).expect_success().commit();
+
+    let nft_contract_hash = support::get_nft_contract_hash(&builder);
+    let nft_contract_key: Key = nft_contract_hash.into();
+
+    let number_of_tokens_at_upgrade = support::get_stored_value_from_global_state::<u64>(
+        &builder,
+        nft_contract_key,
+        vec![NUMBER_OF_MINTED_TOKENS.to_string()],
+    )
+    .expect("must get u64 value");
+
+    assert_eq!(number_of_tokens_at_upgrade, 3);
+
+    let total_token_supply_post_upgrade = support::get_stored_value_from_global_state::<u64>(
+        &builder,
+        nft_contract_key,
+        vec![ARG_TOTAL_TOKEN_SUPPLY.to_string()],
+    )
+    .expect("must get u64 value");
+
+    assert_eq!(total_token_supply_post_upgrade, 50u64);
+
+    // Expect Migration event.
+    let expected_event = Migration::new();
+    let actual_event: Migration = support::get_event(&builder, &nft_contract_key, 0).unwrap();
+    assert_eq!(actual_event, expected_event, "Expected Migration event.");
+}
+
+#[test]
+fn should_safely_upgrade_from_1_0_0_to_1_5_0_to_current_version() {
+    let mut builder = InMemoryWasmTestBuilder::default();
+    builder
+        .run_genesis(&PRODUCTION_RUN_GENESIS_REQUEST)
+        .commit();
+
+    let install_request = InstallerRequestBuilder::new(*DEFAULT_ACCOUNT_ADDR, CONTRACT_1_0_0_WASM)
+        .with_collection_name(NFT_TEST_COLLECTION.to_string())
+        .with_collection_symbol(NFT_TEST_SYMBOL.to_string())
+        .with_total_token_supply(100u64)
+        .with_ownership_mode(OwnershipMode::Transferable)
+        .with_metadata_mutability(MetadataMutability::Mutable)
+        .with_identifier_mode(NFTIdentifierMode::Ordinal)
+        .with_nft_metadata_kind(NFTMetadataKind::Raw)
+        .build();
+
+    builder.exec(install_request).expect_success().commit();
+
+    let nft_contract_hash_1_0_0 = support::get_nft_contract_hash_1_0_0(&builder);
+    let nft_contract_key_1_0_0: Key = nft_contract_hash_1_0_0.into();
+
+    let upgrade_request = ExecuteRequestBuilder::standard(
+        *DEFAULT_ACCOUNT_ADDR,
+        CONTRACT_1_5_0_WASM,
+        runtime_args! {
+            ARG_NFT_CONTRACT_HASH => nft_contract_key_1_0_0,
+            ARG_COLLECTION_NAME => NFT_TEST_COLLECTION.to_string(),
+            ARG_NAMED_KEY_CONVENTION => NamedKeyConventionMode::V1_0Standard as u8,
+            ARG_EVENTS_MODE => EventsMode::CES as u8,
+            ARG_TOTAL_TOKEN_SUPPLY => 50u64
+        },
+    )
+    .build();
+
+    builder.exec(upgrade_request).expect_success().commit();
+
+    let total_token_supply_post_upgrade = support::get_stored_value_from_global_state::<u64>(
+        &builder,
+        nft_contract_key_1_0_0,
+        vec![ARG_TOTAL_TOKEN_SUPPLY.to_string()],
+    )
+    .expect("must get u64 value");
+
+    assert_eq!(total_token_supply_post_upgrade, 50u64);
+
+    let nft_contract_hash_1_5_0: ContractHash = support::get_nft_contract_hash(&builder);
+    let nft_contract_key_1_5_0: Key = nft_contract_hash_1_5_0.into();
+
+    let number_of_tokens_pre_migration = 3usize;
+
+    // Build of prestate before migration.
+    for _i in 0..number_of_tokens_pre_migration {
+        let mint_request = ExecuteRequestBuilder::standard(
+            *DEFAULT_ACCOUNT_ADDR,
+            MINT_SESSION_WASM,
+            runtime_args! {
+                ARG_NFT_CONTRACT_HASH => nft_contract_key_1_5_0,
+                ARG_TOKEN_OWNER => Key::Account(*DEFAULT_ACCOUNT_ADDR),
+                ARG_TOKEN_META_DATA => "",
+                ARG_COLLECTION_NAME => NFT_TEST_COLLECTION.to_string()
+            },
+        )
+        .build();
+
+        builder.exec(mint_request).expect_success().commit();
+    }
+
+    let upgrade_request = ExecuteRequestBuilder::standard(
+        *DEFAULT_ACCOUNT_ADDR,
+        NFT_CONTRACT_WASM,
+        runtime_args! {
+            ARG_NFT_CONTRACT_HASH => nft_contract_key_1_5_0,
+            ARG_COLLECTION_NAME => NFT_TEST_COLLECTION.to_string(),
+            ARG_NAMED_KEY_CONVENTION => NamedKeyConventionMode::V1_0Custom as u8,
+            ARG_ACCESS_KEY_NAME_1_0_0 => format!("{PREFIX_ACCESS_KEY_NAME}_{NFT_TEST_COLLECTION}"),
+            ARG_HASH_KEY_NAME_1_0_0 => format!("{PREFIX_HASH_KEY_NAME}_{NFT_TEST_COLLECTION}"),
+            ARG_TOTAL_TOKEN_SUPPLY => 10u64,
+        },
+    )
+    .build();
+
+    builder.exec(upgrade_request).expect_success().commit();
+
+    let nft_contract_hash = support::get_nft_contract_hash(&builder);
+    let nft_contract_key: Key = nft_contract_hash.into();
+
+    let number_of_tokens_at_upgrade = support::get_stored_value_from_global_state::<u64>(
+        &builder,
+        nft_contract_key,
+        vec![NUMBER_OF_MINTED_TOKENS.to_string()],
+    )
+    .expect("must get u64 value");
+
+    assert_eq!(number_of_tokens_at_upgrade, 3);
+
+    let total_token_supply_post_upgrade = support::get_stored_value_from_global_state::<u64>(
+        &builder,
+        nft_contract_key,
+        vec![ARG_TOTAL_TOKEN_SUPPLY.to_string()],
+    )
+    .expect("must get u64 value");
+
+    assert_eq!(total_token_supply_post_upgrade, 50u64);
+
+    // Expect Migration event.
+    let expected_event = Migration::new();
+    let actual_event: Migration = support::get_event(&builder, &nft_contract_key, 0).unwrap();
+    assert_eq!(actual_event, expected_event, "Expected Migration event.");
+}
+
 #[test]
 fn should_safely_upgrade_from_1_0_0_to_current_version() {
     let mut builder = InMemoryWasmTestBuilder::default();
diff --git a/tests/src/utility/constants.rs b/tests/src/utility/constants.rs
index adf4a4b2..0f620cd2 100644
--- a/tests/src/utility/constants.rs
+++ b/tests/src/utility/constants.rs
@@ -4,6 +4,7 @@ pub const CONTRACT_1_1_0_WASM: &str = "1_1_0/contract.wasm";
 pub const CONTRACT_1_2_0_WASM: &str = "1_2_0/contract.wasm";
 pub const CONTRACT_1_3_0_WASM: &str = "1_3_0/contract.wasm";
 pub const CONTRACT_1_4_0_WASM: &str = "1_4_0/contract.wasm";
+pub const CONTRACT_1_5_0_WASM: &str = "1_5_0/contract.wasm";
 pub const GET_APPROVED_WASM: &str = "get_approved_call.wasm";
 pub const IS_APPROVED_FOR_ALL_WASM: &str = "is_approved_for_all_call.wasm";
 pub const MANGLE_NAMED_KEYS: &str = "mangle_named_keys.wasm";