diff --git a/README.md b/README.md
index 77107c130..7f652c125 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ pip install openzeppelin-cairo-contracts
 
 ### Use a basic preset
 
-Presets are ready-to-use contracts that you can deploy right away. They also serve as examples of how to use library modules. [Read more about presets](https://docs.openzeppelin.com/contracts-cairo/0.5.0/extensibility#presets).
+Presets are ready-to-use contracts that you can deploy right away. They also serve as examples of how to use library modules. [Read more about presets](https://docs.openzeppelin.com/contracts-cairo/0.4.0/extensibility#presets).
 
 ```cairo
 // contracts/MyToken.cairo
@@ -80,11 +80,11 @@ nile compile
 nile deploy MyToken <name> <symbol> <decimals> <initial_supply> <recipient> --alias my_token
 ```
 
-> Note that `<initial_supply>` is expected to be two integers i.e. `1` `0`. See [Uint256](https://docs.openzeppelin.com/contracts-cairo/0.5.0/utilities#uint256) for more information.
+> Note that `<initial_supply>` is expected to be two integers i.e. `1` `0`. See [Uint256](https://docs.openzeppelin.com/contracts-cairo/0.4.0/utilities#uint256) for more information.
 
 ### Write a custom contract using library modules
 
-[Read more about libraries](https://docs.openzeppelin.com/contracts-cairo/0.5.0/extensibility#libraries).
+[Read more about libraries](https://docs.openzeppelin.com/contracts-cairo/0.4.0/extensibility#libraries).
 
 ```cairo
 %lang starknet
@@ -111,13 +111,13 @@ func transfer{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}(
 
 Check out the [full documentation site](https://docs.openzeppelin.com/contracts-cairo)! Featuring:
 
-- [Accounts](https://docs.openzeppelin.com/contracts-cairo/0.5.0/accounts)
-- [ERC20](https://docs.openzeppelin.com/contracts-cairo/0.5.0/erc20)
-- [ERC721](https://docs.openzeppelin.com/contracts-cairo/0.5.0/erc721)
-- [Contract extensibility pattern](https://docs.openzeppelin.com/contracts-cairo/0.5.0/extensibility)
-- [Proxies and upgrades](https://docs.openzeppelin.com/contracts-cairo/0.5.0/proxies)
-- [Security](https://docs.openzeppelin.com/contracts-cairo/0.5.0/security)
-- [Utilities](https://docs.openzeppelin.com/contracts-cairo/0.5.0/utilities)
+- [Accounts](https://docs.openzeppelin.com/contracts-cairo/0.4.0/accounts)
+- [ERC20](https://docs.openzeppelin.com/contracts-cairo/0.4.0/erc20)
+- [ERC721](https://docs.openzeppelin.com/contracts-cairo/0.4.0/erc721)
+- [Contract extensibility pattern](https://docs.openzeppelin.com/contracts-cairo/0.4.0/extensibility)
+- [Proxies and upgrades](https://docs.openzeppelin.com/contracts-cairo/0.4.0/proxies)
+- [Security](https://docs.openzeppelin.com/contracts-cairo/0.4.0/security)
+- [Utilities](https://docs.openzeppelin.com/contracts-cairo/0.4.0/utilities)
 
 ### Cairo
 
@@ -257,7 +257,7 @@ def foo_factory():
     return cached_foo
 ```
 
-See [Memoization](https://docs.openzeppelin.com/contracts-cairo/0.5.0/utilities#memoization) in the Utilities documentation for a more thorough example on caching contracts.
+See [Memoization](https://docs.openzeppelin.com/contracts-cairo/0.4.0/utilities#memoization) in the Utilities documentation for a more thorough example on caching contracts.
 
 > Note that this does not apply for stateless libraries such as SafeMath.
 
diff --git a/docs/antora.yml b/docs/antora.yml
index b4c46eb5f..45dc8f04a 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,5 +1,5 @@
 name: contracts-cairo
 title: Contracts for Cairo
-version: 0.5.0
+version: 0.4.0
 nav:
   - modules/ROOT/nav.adoc
diff --git a/scripts/update_version.py b/scripts/update_version.py
index 122e5c49d..59ed6f586 100644
--- a/scripts/update_version.py
+++ b/scripts/update_version.py
@@ -3,7 +3,7 @@
 import sys
 from pathlib import Path
 
-CURRENT_VERSION = "v0.5.0"
+CURRENT_VERSION = "v0.4.0"
 DOC_PATHS = ["docs/antora.yml", "README.md"]
 
 
diff --git a/src/openzeppelin/access/accesscontrol/IAccessControl.cairo b/src/openzeppelin/access/accesscontrol/IAccessControl.cairo
index 514fc053a..2ab70d92f 100644
--- a/src/openzeppelin/access/accesscontrol/IAccessControl.cairo
+++ b/src/openzeppelin/access/accesscontrol/IAccessControl.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (access/accesscontrol/IAccessControl.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (access/accesscontrol/IAccessControl.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/access/accesscontrol/library.cairo b/src/openzeppelin/access/accesscontrol/library.cairo
index 4260bcd11..42b65c80f 100644
--- a/src/openzeppelin/access/accesscontrol/library.cairo
+++ b/src/openzeppelin/access/accesscontrol/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (access/accesscontrol/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (access/accesscontrol/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/access/ownable/library.cairo b/src/openzeppelin/access/ownable/library.cairo
index e2a9c172f..03032b1c3 100644
--- a/src/openzeppelin/access/ownable/library.cairo
+++ b/src/openzeppelin/access/ownable/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (access/ownable/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (access/ownable/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/account/IAccount.cairo b/src/openzeppelin/account/IAccount.cairo
index 731668ee2..1601ddcbd 100644
--- a/src/openzeppelin/account/IAccount.cairo
+++ b/src/openzeppelin/account/IAccount.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (account/IAccount.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (account/IAccount.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/account/library.cairo b/src/openzeppelin/account/library.cairo
index 2fb8864f6..f48c4c59d 100644
--- a/src/openzeppelin/account/library.cairo
+++ b/src/openzeppelin/account/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (account/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (account/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/account/presets/Account.cairo b/src/openzeppelin/account/presets/Account.cairo
index 4f68470aa..f6978f34c 100644
--- a/src/openzeppelin/account/presets/Account.cairo
+++ b/src/openzeppelin/account/presets/Account.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (account/presets/Account.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (account/presets/Account.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/account/presets/AddressRegistry.cairo b/src/openzeppelin/account/presets/AddressRegistry.cairo
index bea637e09..aa0c75d42 100644
--- a/src/openzeppelin/account/presets/AddressRegistry.cairo
+++ b/src/openzeppelin/account/presets/AddressRegistry.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (account/presets/AddressRegistry.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (account/presets/AddressRegistry.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/account/presets/EthAccount.cairo b/src/openzeppelin/account/presets/EthAccount.cairo
index 0f59dfc2a..35f2313b8 100644
--- a/src/openzeppelin/account/presets/EthAccount.cairo
+++ b/src/openzeppelin/account/presets/EthAccount.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (account/presets/EthAccount.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (account/presets/EthAccount.cairo)
 
 %lang starknet
 from starkware.cairo.common.cairo_builtins import HashBuiltin, SignatureBuiltin, BitwiseBuiltin
diff --git a/src/openzeppelin/introspection/erc165/IERC165.cairo b/src/openzeppelin/introspection/erc165/IERC165.cairo
index 745fff01a..13a9c38ae 100644
--- a/src/openzeppelin/introspection/erc165/IERC165.cairo
+++ b/src/openzeppelin/introspection/erc165/IERC165.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (introspection/erc165/IERC165.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (introspection/erc165/IERC165.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/introspection/erc165/library.cairo b/src/openzeppelin/introspection/erc165/library.cairo
index 689bdb0b2..9a6e290e5 100644
--- a/src/openzeppelin/introspection/erc165/library.cairo
+++ b/src/openzeppelin/introspection/erc165/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (introspection/erc165/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (introspection/erc165/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/security/initializable/library.cairo b/src/openzeppelin/security/initializable/library.cairo
index 1fe00ab27..6f7381433 100644
--- a/src/openzeppelin/security/initializable/library.cairo
+++ b/src/openzeppelin/security/initializable/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (security/initializable/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (security/initializable/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/security/pausable/library.cairo b/src/openzeppelin/security/pausable/library.cairo
index 158146bf2..78c07dd1a 100644
--- a/src/openzeppelin/security/pausable/library.cairo
+++ b/src/openzeppelin/security/pausable/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (security/pausable/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (security/pausable/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/security/reentrancyguard/library.cairo b/src/openzeppelin/security/reentrancyguard/library.cairo
index 19db62215..0ee8b83d9 100644
--- a/src/openzeppelin/security/reentrancyguard/library.cairo
+++ b/src/openzeppelin/security/reentrancyguard/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (security/reentrancyguard/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (security/reentrancyguard/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/security/safemath/library.cairo b/src/openzeppelin/security/safemath/library.cairo
index 912b471d7..3105a6932 100644
--- a/src/openzeppelin/security/safemath/library.cairo
+++ b/src/openzeppelin/security/safemath/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (security/safemath/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (security/safemath/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc20/IERC20.cairo b/src/openzeppelin/token/erc20/IERC20.cairo
index 79c08dad0..21e705c80 100644
--- a/src/openzeppelin/token/erc20/IERC20.cairo
+++ b/src/openzeppelin/token/erc20/IERC20.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc20/IERC20.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc20/IERC20.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc20/library.cairo b/src/openzeppelin/token/erc20/library.cairo
index 2503f5bde..7a4c9f756 100644
--- a/src/openzeppelin/token/erc20/library.cairo
+++ b/src/openzeppelin/token/erc20/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc20/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc20/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc20/presets/ERC20.cairo b/src/openzeppelin/token/erc20/presets/ERC20.cairo
index ac9f6a3d0..df227359f 100644
--- a/src/openzeppelin/token/erc20/presets/ERC20.cairo
+++ b/src/openzeppelin/token/erc20/presets/ERC20.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc20/presets/ERC20.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc20/presets/ERC20.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc20/presets/ERC20Burnable.cairo b/src/openzeppelin/token/erc20/presets/ERC20Burnable.cairo
index 62e2cdcf4..0ca9595fb 100644
--- a/src/openzeppelin/token/erc20/presets/ERC20Burnable.cairo
+++ b/src/openzeppelin/token/erc20/presets/ERC20Burnable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Cairo Contracts v0.5.0 (token/erc20/presets/ERC20Burnable.cairo)
+// OpenZeppelin Cairo Contracts v0.4.0 (token/erc20/presets/ERC20Burnable.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc20/presets/ERC20Mintable.cairo b/src/openzeppelin/token/erc20/presets/ERC20Mintable.cairo
index e07b9373b..8f77e70d5 100644
--- a/src/openzeppelin/token/erc20/presets/ERC20Mintable.cairo
+++ b/src/openzeppelin/token/erc20/presets/ERC20Mintable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc20/presets/ERC20Mintable.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc20/presets/ERC20Mintable.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc20/presets/ERC20Pausable.cairo b/src/openzeppelin/token/erc20/presets/ERC20Pausable.cairo
index aaa25fd97..5b423fc58 100644
--- a/src/openzeppelin/token/erc20/presets/ERC20Pausable.cairo
+++ b/src/openzeppelin/token/erc20/presets/ERC20Pausable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc20/presets/ERC20Pausable.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc20/presets/ERC20Pausable.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc20/presets/ERC20Upgradeable.cairo b/src/openzeppelin/token/erc20/presets/ERC20Upgradeable.cairo
index 8819c12e9..13bfa2c04 100644
--- a/src/openzeppelin/token/erc20/presets/ERC20Upgradeable.cairo
+++ b/src/openzeppelin/token/erc20/presets/ERC20Upgradeable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc20/presets/ERC20Upgradeable.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc20/presets/ERC20Upgradeable.cairo)
 
 %lang starknet
 %builtins pedersen range_check
diff --git a/src/openzeppelin/token/erc721/IERC721.cairo b/src/openzeppelin/token/erc721/IERC721.cairo
index 473a5f307..8541246c4 100644
--- a/src/openzeppelin/token/erc721/IERC721.cairo
+++ b/src/openzeppelin/token/erc721/IERC721.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/IERC721.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/IERC721.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/IERC721Metadata.cairo b/src/openzeppelin/token/erc721/IERC721Metadata.cairo
index a3743a873..51be9c585 100644
--- a/src/openzeppelin/token/erc721/IERC721Metadata.cairo
+++ b/src/openzeppelin/token/erc721/IERC721Metadata.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/IERC721Metadata.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/IERC721Metadata.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/IERC721Receiver.cairo b/src/openzeppelin/token/erc721/IERC721Receiver.cairo
index bb724b798..f6be9dfd6 100644
--- a/src/openzeppelin/token/erc721/IERC721Receiver.cairo
+++ b/src/openzeppelin/token/erc721/IERC721Receiver.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/IERC721Receiver.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/IERC721Receiver.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/enumerable/IERC721Enumerable.cairo b/src/openzeppelin/token/erc721/enumerable/IERC721Enumerable.cairo
index 94b5ea5fd..abdec0622 100644
--- a/src/openzeppelin/token/erc721/enumerable/IERC721Enumerable.cairo
+++ b/src/openzeppelin/token/erc721/enumerable/IERC721Enumerable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/enumerable/IERC721Enumerable.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/enumerable/IERC721Enumerable.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/enumerable/library.cairo b/src/openzeppelin/token/erc721/enumerable/library.cairo
index eaf5698f2..64ceaa7ee 100644
--- a/src/openzeppelin/token/erc721/enumerable/library.cairo
+++ b/src/openzeppelin/token/erc721/enumerable/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/enumerable/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/enumerable/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/enumerable/presets/ERC721EnumerableMintableBurnable.cairo b/src/openzeppelin/token/erc721/enumerable/presets/ERC721EnumerableMintableBurnable.cairo
index 175705371..a89b1fbb7 100644
--- a/src/openzeppelin/token/erc721/enumerable/presets/ERC721EnumerableMintableBurnable.cairo
+++ b/src/openzeppelin/token/erc721/enumerable/presets/ERC721EnumerableMintableBurnable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/enumerable/presets/ERC721EnumerableMintableBurnable.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/enumerable/presets/ERC721EnumerableMintableBurnable.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/enumerable/presets/utils/ERC721Holder.cairo b/src/openzeppelin/token/erc721/enumerable/presets/utils/ERC721Holder.cairo
index 511a41afc..3dcdc5bb3 100644
--- a/src/openzeppelin/token/erc721/enumerable/presets/utils/ERC721Holder.cairo
+++ b/src/openzeppelin/token/erc721/enumerable/presets/utils/ERC721Holder.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/presets/utils/ERC721Holder.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/presets/utils/ERC721Holder.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/library.cairo b/src/openzeppelin/token/erc721/library.cairo
index cb1d01b2c..8f68cd068 100644
--- a/src/openzeppelin/token/erc721/library.cairo
+++ b/src/openzeppelin/token/erc721/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/presets/ERC721MintableBurnable.cairo b/src/openzeppelin/token/erc721/presets/ERC721MintableBurnable.cairo
index 4623cc3a6..1bfd3fe3f 100644
--- a/src/openzeppelin/token/erc721/presets/ERC721MintableBurnable.cairo
+++ b/src/openzeppelin/token/erc721/presets/ERC721MintableBurnable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/presets/ERC721MintableBurnable.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/presets/ERC721MintableBurnable.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/token/erc721/presets/ERC721MintablePausable.cairo b/src/openzeppelin/token/erc721/presets/ERC721MintablePausable.cairo
index 55d6fb572..5b56f6824 100644
--- a/src/openzeppelin/token/erc721/presets/ERC721MintablePausable.cairo
+++ b/src/openzeppelin/token/erc721/presets/ERC721MintablePausable.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (token/erc721/presets/ERC721MintablePausable.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (token/erc721/presets/ERC721MintablePausable.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/upgrades/library.cairo b/src/openzeppelin/upgrades/library.cairo
index 7bb7bcaf7..c75e4e6a8 100644
--- a/src/openzeppelin/upgrades/library.cairo
+++ b/src/openzeppelin/upgrades/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (upgrades/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (upgrades/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/upgrades/presets/Proxy.cairo b/src/openzeppelin/upgrades/presets/Proxy.cairo
index df9b06df6..50785ee8a 100644
--- a/src/openzeppelin/upgrades/presets/Proxy.cairo
+++ b/src/openzeppelin/upgrades/presets/Proxy.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (upgrades/presets/Proxy.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (upgrades/presets/Proxy.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/utils/constants/library.cairo b/src/openzeppelin/utils/constants/library.cairo
index ef5ee0c36..aad8242b3 100644
--- a/src/openzeppelin/utils/constants/library.cairo
+++ b/src/openzeppelin/utils/constants/library.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (utils/constants/library.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (utils/constants/library.cairo)
 
 %lang starknet
 
diff --git a/src/openzeppelin/utils/presets/UniversalDeployer.cairo b/src/openzeppelin/utils/presets/UniversalDeployer.cairo
index 799cee4c0..3256000bc 100644
--- a/src/openzeppelin/utils/presets/UniversalDeployer.cairo
+++ b/src/openzeppelin/utils/presets/UniversalDeployer.cairo
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts for Cairo v0.5.0 (utils/presets/UniversalDeployer.cairo)
+// OpenZeppelin Contracts for Cairo v0.4.0 (utils/presets/UniversalDeployer.cairo)
 
 %lang starknet