diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index 37451e21e..6b0481046 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -15,7 +15,7 @@ jobs:
     - name: Extract current versions
       run: |
         CURRENT_VERSION=$(grep '^version = ' Scarb.toml | sed 's/version = "\(.*\)"/\1/')
-        SCARB_VERSION=$(grep 'cairo-version = ' Scarb.toml | sed 's/cairo-version = "\(.*\)"/\1/')
+        SCARB_VERSION=$(grep 'scarb-version = ' Scarb.toml | sed 's/scarb-version = "\(.*\)"/\1/')
         echo "CURRENT_VERSION=$CURRENT_VERSION" >> $GITHUB_ENV
         echo "SCARB_VERSION=$SCARB_VERSION" >> $GITHUB_ENV
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1834a2d10..023569891 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
     - uses: actions/checkout@v3
     - name: Extract scarb version
       run: |
-        SCARB_VERSION=$(grep 'cairo-version = ' Scarb.toml | sed 's/cairo-version = "\(.*\)"/\1/')
+        SCARB_VERSION=$(grep 'scarb-version = ' Scarb.toml | sed 's/scarb-version = "\(.*\)"/\1/')
         echo "SCARB_VERSION=$SCARB_VERSION" >> $GITHUB_ENV
     - uses: software-mansion/setup-scarb@v1
       with:
diff --git a/Scarb.toml b/Scarb.toml
index 88ee335ed..a99d0ba14 100644
--- a/Scarb.toml
+++ b/Scarb.toml
@@ -2,7 +2,8 @@
 name = "openzeppelin"
 version = "0.14.0"
 edition = "2023_11"
-cairo-version = "2.6.3"
+cairo-version = "2.6.4"
+scarb-version = "2.6.5"
 authors = ["OpenZeppelin Community <maintainers@openzeppelin.org>"]
 description = "OpenZeppelin Contracts written in Cairo for StarkNet, a decentralized ZK Rollup"
 documentation = "https://docs.openzeppelin.com/contracts-cairo"
@@ -12,7 +13,7 @@ license-file = "LICENSE"
 keywords = ["openzeppelin", "starknet", "cairo", "contracts", "security", "standards"]
 
 [dependencies]
-starknet = "2.6.3"
+starknet = "2.6.4"
 
 [lib]
 
diff --git a/docs/modules/ROOT/pages/access.adoc b/docs/modules/ROOT/pages/access.adoc
index 63ed8ddc9..dbd987a1e 100644
--- a/docs/modules/ROOT/pages/access.adoc
+++ b/docs/modules/ROOT/pages/access.adoc
@@ -83,7 +83,8 @@ This is the full interface of the `OwnableMixinImpl` implementation:
 
 [,cairo]
 ----
-trait OwnableABI {
+#[starknet::interface]
+pub trait OwnableABI {
     // IOwnable
     fn owner() -> ContractAddress;
     fn transfer_ownership(new_owner: ContractAddress);
@@ -124,7 +125,8 @@ This is the full interface of the two step `OwnableTwoStepMixinImpl` implementat
 
 [,cairo]
 ----
-trait OwnableTwoStepABI {
+#[starknet::interface]
+pub trait OwnableTwoStepABI {
     // IOwnableTwoStep
     fn owner() -> ContractAddress;
     fn pending_owner() -> ContractAddress;
@@ -491,7 +493,8 @@ This is the full interface of the `AccessControlMixinImpl` implementation:
 
 [,cairo]
 ----
-trait AccessControlABI {
+#[starknet::interface]
+pub trait AccessControlABI {
     // IAccessControl
     fn has_role(role: felt252, account: ContractAddress) -> bool;
     fn get_role_admin(role: felt252) -> felt252;
diff --git a/docs/modules/ROOT/pages/accounts.adoc b/docs/modules/ROOT/pages/accounts.adoc
index de642723f..b6aaa2e48 100644
--- a/docs/modules/ROOT/pages/accounts.adoc
+++ b/docs/modules/ROOT/pages/accounts.adoc
@@ -36,7 +36,8 @@ struct Call {
 }
 
 /// Standard Account Interface
-trait ISRC6 {
+#[starknet::interface]
+pub trait ISRC6 {
     /// Executes a transaction through the account.
     fn __execute__(calls: Array<Call>) -> Array<Span<felt252>>;
 
@@ -48,6 +49,9 @@ trait ISRC6 {
 }
 ----
 
+WARNING: The `calldata` member of the `Call` struct in the accounts has been updated to `Span<felt252>` for optimization
+purposes, but the interface Id remains the same for backwards compatibility. This inconsistency will be fixed in future releases.
+
 {snip-6}[SNIP-6] adds the `is_valid_signature` method. This method is not used by the protocol, but it's useful for
 DApps to verify the validity of signatures, supporting features like Sign In with Starknet.
 
@@ -59,7 +63,8 @@ a mechanism for detecting whether a contract is an account or not through intros
 [,cairo]
 ----
 /// Standard Interface Detection
-trait ISRC5 {
+#[starknet::interface]
+pub trait ISRC5 {
     /// Queries if a contract implements a given interface.
     fn supports_interface(interface_id: felt252) -> bool;
 }
@@ -148,7 +153,8 @@ This is the full interface of the `AccountMixinImpl` implementation:
 
 [,cairo]
 ----
-trait AccountABI {
+#[starknet::interface]
+pub trait AccountABI {
     // ISRC6
     fn __execute__(calls: Array<Call>) -> Array<Span<felt252>>;
     fn __validate__(calls: Array<Call>) -> felt252;
@@ -241,7 +247,8 @@ This is the full interface of the `EthAccountMixinImpl` implementation:
 
 [,cairo]
 ----
-trait EthAccountABI {
+#[starknet::interface]
+pub trait EthAccountABI {
     // ISRC6
     fn __execute__(calls: Array<Call>) -> Array<Span<felt252>>;
     fn __validate__(calls: Array<Call>) -> felt252;
diff --git a/docs/modules/ROOT/pages/components.adoc b/docs/modules/ROOT/pages/components.adoc
index de2afe604..33dbbe539 100644
--- a/docs/modules/ROOT/pages/components.adoc
+++ b/docs/modules/ROOT/pages/components.adoc
@@ -400,7 +400,7 @@ mod ERC20Pausable {
     (...)
 
     // Custom ERC20 implementation
-    #[external(v0)]
+    #[abi(embed_v0)]
     impl CustomERC20Impl of IERC20<ContractState> {
         fn transfer(
             ref self: ContractState, recipient: ContractAddress, amount: u256
@@ -422,7 +422,7 @@ mod ERC20Pausable {
     }
 
     // Custom ERC20CamelOnly implementation
-    #[external(v0)]
+    #[abi(embed_v0)]
     impl CustomERC20CamelOnlyImpl of IERC20CamelOnly<ContractState> {
         fn totalSupply(self: @ContractState) -> u256 {
             self.erc20.total_supply()
diff --git a/docs/modules/ROOT/pages/erc1155.adoc b/docs/modules/ROOT/pages/erc1155.adoc
index 88d6efe6c..78cdc322b 100644
--- a/docs/modules/ROOT/pages/erc1155.adoc
+++ b/docs/modules/ROOT/pages/erc1155.adoc
@@ -95,7 +95,8 @@ To support older token deployments, as mentioned in {dual-interfaces}, the compo
 
 [,cairo]
 ----
-trait ERC1155ABI {
+#[starknet::interface]
+pub trait ERC1155ABI {
     // IERC1155
     fn balance_of(account: ContractAddress, token_id: u256) -> u256;
     fn balance_of_batch(
@@ -189,7 +190,8 @@ The recipient contract must also implement the {src5} interface which supports i
 
 [,cairo]
 ----
-trait IERC1155Receiver {
+#[starknet::interface]
+pub trait IERC1155Receiver {
     fn on_erc1155_received(
         operator: ContractAddress,
         from: ContractAddress,
diff --git a/docs/modules/ROOT/pages/erc20.adoc b/docs/modules/ROOT/pages/erc20.adoc
index 5aa5b5714..67d100db9 100644
--- a/docs/modules/ROOT/pages/erc20.adoc
+++ b/docs/modules/ROOT/pages/erc20.adoc
@@ -83,7 +83,8 @@ To support older token deployments, as mentioned in {dual-interfaces}, the compo
 
 [,cairo]
 ----
-trait ERC20ABI {
+#[starknet::interface]
+pub trait ERC20ABI {
     // IERC20
     fn total_supply() -> u256;
     fn balance_of(account: ContractAddress) -> u256;
@@ -147,7 +148,7 @@ For example:
 
 [,cairo]
 ----
-#[external(v0)]
+#[abi(embed_v0)]
 impl ERC20MetadataImpl of interface::IERC20Metadata<ContractState> {
     fn decimals(self: @ContractState) -> u8 {
         // Change the `3` below to the desired number of decimals
@@ -213,7 +214,7 @@ mod MyToken {
         self.erc20.mint(recipient, initial_supply);
     }
 
-    #[external(v0)]
+    #[abi(embed_v0)]
     impl ERC20MetadataImpl of interface::IERC20Metadata<ContractState> {
         fn name(self: @ContractState) -> ByteArray {
             self.erc20.name()
diff --git a/docs/modules/ROOT/pages/erc721.adoc b/docs/modules/ROOT/pages/erc721.adoc
index 01a1bcdf4..33c250ebf 100644
--- a/docs/modules/ROOT/pages/erc721.adoc
+++ b/docs/modules/ROOT/pages/erc721.adoc
@@ -78,7 +78,8 @@ To support older token deployments, as mentioned in {dual-interfaces}, the compo
 
 [,cairo]
 ----
-trait ERC721ABI {
+#[starknet::interface]
+pub trait ERC721ABI {
     // IERC721
     fn balance_of(account: ContractAddress) -> u256;
     fn owner_of(token_id: u256) -> ContractAddress;
@@ -167,7 +168,8 @@ The recipient contract must also implement the {src5} interface which, as descri
 
 [,cairo]
 ----
-trait IERC721Receiver {
+#[starknet::interface]
+pub trait IERC721Receiver {
     fn on_erc721_received(
         operator: ContractAddress,
         from: ContractAddress,
diff --git a/docs/modules/ROOT/pages/index.adoc b/docs/modules/ROOT/pages/index.adoc
index 23f7e2857..77a1f138e 100644
--- a/docs/modules/ROOT/pages/index.adoc
+++ b/docs/modules/ROOT/pages/index.adoc
@@ -20,8 +20,8 @@ before proceeding, and run the following command to check that the installation
 ----
 $ scarb --version
 
-scarb 2.6.3 (e6f921dfd 2024-03-13)
-cairo: 2.6.3 (https://crates.io/crates/cairo-lang-compiler/2.6.3)
+scarb 2.6.5 (d49f54394 2024-06-11)
+cairo: 2.6.4 (https://crates.io/crates/cairo-lang-compiler/2.6.4)
 sierra: 1.5.0
 ----
 
diff --git a/docs/modules/ROOT/pages/interfaces.adoc b/docs/modules/ROOT/pages/interfaces.adoc
index 7e1927fab..d6e6a7fc8 100644
--- a/docs/modules/ROOT/pages/interfaces.adoc
+++ b/docs/modules/ROOT/pages/interfaces.adoc
@@ -28,7 +28,7 @@ This includes only the functions defined in the interface, and is the standard w
 
 ```cairo
 #[starknet::interface]
-trait IERC20<TState> {
+pub trait IERC20<TState> {
     fn total_supply(self: @TState) -> u256;
     fn balance_of(self: @TState, account: ContractAddress) -> u256;
     fn allowance(self: @TState, owner: ContractAddress, spender: ContractAddress) -> u256;
@@ -46,7 +46,7 @@ They describe a contract's complete interface. This is useful to interface with
 
 ```cairo
 #[starknet::interface]
-trait ERC20ABI<TState> {
+pub trait ERC20ABI<TState> {
     // IERC20
     fn total_supply(self: @TState) -> u256;
     fn balance_of(self: @TState, account: ContractAddress) -> u256;
@@ -76,11 +76,11 @@ This is a utility trait to interface with contracts whose interface is unknown.
 
 ```cairo
 #[derive(Copy, Drop)]
-struct DualCaseERC20 {
+pub struct DualCaseERC20 {
     contract_address: ContractAddress
 }
 
-trait DualCaseERC20Trait {
+pub trait DualCaseERC20Trait {
     fn name(self: @DualCaseERC20) -> ByteArray;
     fn symbol(self: @DualCaseERC20) -> ByteArray;
     fn decimals(self: @DualCaseERC20) -> u8;
@@ -114,7 +114,7 @@ The default version of the ERC20 interface trait exposes `snake_case` functions:
 
 ```cairo
 #[starknet::interface]
-trait IERC20<TState> {
+pub trait IERC20<TState> {
     fn name(self: @TState) -> ByteArray;
     fn symbol(self: @TState) -> ByteArray;
     fn decimals(self: @TState) -> u8;
@@ -135,7 +135,7 @@ On top of that, we also offer a `camelCase` version of the same interface:
 
 ```cairo
 #[starknet::interface]
-trait IERC20Camel<TState> {
+pub trait IERC20Camel<TState> {
     fn name(self: @TState) -> ByteArray;
     fn symbol(self: @TState) -> ByteArray;
     fn decimals(self: @TState) -> u8;
diff --git a/docs/modules/ROOT/pages/introspection.adoc b/docs/modules/ROOT/pages/introspection.adoc
index 4bdeaecec..d4c9a4170 100644
--- a/docs/modules/ROOT/pages/introspection.adoc
+++ b/docs/modules/ROOT/pages/introspection.adoc
@@ -58,7 +58,8 @@ mod MyContract {
 
 [,cairo]
 ----
-trait ISRC5 {
+#[starknet::interface]
+pub trait ISRC5 {
     /// Query if a contract implements an interface.
     /// Receives the interface identifier as specified in SRC-5.
     /// Returns `true` if the contract implements `interface_id`, `false` otherwise.
diff --git a/docs/modules/ROOT/pages/security.adoc b/docs/modules/ROOT/pages/security.adoc
index 58af582b4..9ccfe9c1a 100644
--- a/docs/modules/ROOT/pages/security.adoc
+++ b/docs/modules/ROOT/pages/security.adoc
@@ -56,7 +56,8 @@ The component provides the following external functions as part of the `Initiali
 
 [,cairo]
 ----
-trait InitializableABI {
+#[starknet::interface]
+pub trait InitializableABI {
     fn is_initialized() -> bool;
 }
 ----
@@ -152,7 +153,8 @@ The component provides the following external functions as part of the `Pausable
 
 [,cairo]
 ----
-trait PausableABI {
+#[starknet::interface]
+pub trait PausableABI {
     fn is_paused() -> bool;
 }
 ----
diff --git a/docs/modules/ROOT/pages/udc.adoc b/docs/modules/ROOT/pages/udc.adoc
index ec4f22109..d0af0dd0c 100644
--- a/docs/modules/ROOT/pages/udc.adoc
+++ b/docs/modules/ROOT/pages/udc.adoc
@@ -20,7 +20,8 @@ The UDC address is deployed at address `0x04a64cd09a853868621d94cae9952b106f2c36
 
 [,cairo]
 ----
-trait IUniversalDeployer {
+#[starknet::interface]
+pub trait IUniversalDeployer {
     fn deploy_contract(
         class_hash: ClassHash,
         salt: felt252,
diff --git a/docs/modules/ROOT/pages/upgrades.adoc b/docs/modules/ROOT/pages/upgrades.adoc
index 2aff239fd..dff92c758 100644
--- a/docs/modules/ROOT/pages/upgrades.adoc
+++ b/docs/modules/ROOT/pages/upgrades.adoc
@@ -90,7 +90,7 @@ mod UpgradeableContract {
         self.ownable.initializer(owner);
     }
 
-    #[external(v0)]
+    #[abi(embed_v0)]
     impl UpgradeableImpl of IUpgradeable<ContractState> {
         fn upgrade(ref self: ContractState, new_class_hash: ClassHash) {
             // This function can only be called by the owner