diff --git a/Cargo.lock b/Cargo.lock
index bf3080d122..eed8fb4f9b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -541,9 +541,9 @@ checksum = "3a4f925191b4367301851c6d99b09890311d74b0d43f274c0b34c86d308a3663"
 
 [[package]]
 name = "cairo-lang-casm"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41870f7cebe80bd143f01e6b2c56b878e91a5235e4cfdd415978679a0419c63a"
+checksum = "8b03e943deaaeaa7cbec1f33121ae4f25032423c9a41cdfc7400f1b06e127f73"
 dependencies = [
  "cairo-lang-utils",
  "indoc 2.0.5",
@@ -555,9 +555,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-compiler"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e815743134ba249131df7e0dc615c129e19f03146935edec6eeb17efa0c990e"
+checksum = "59e4a03eb659c903bf67604ddf284f8081a22e022b2917f6848ceb5a971ea694"
 dependencies = [
  "anyhow",
  "cairo-lang-defs",
@@ -579,18 +579,18 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-debug"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea6b021e2b4bc6603b9885cf612db5524c52f24a221f6493bc34e4e408002658"
+checksum = "837a97430285c91aed314a80fa5443178f9b434ce6ffb81a87abf0b77c2f10b6"
 dependencies = [
  "cairo-lang-utils",
 ]
 
 [[package]]
 name = "cairo-lang-defs"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4c21caff6d1e83bada34660877ce4a0a526c5055a5d4628bc0613852f84d251"
+checksum = "43823e8c537aeb98e46fcde8be00f86aad2078e6bfa89e3acca356b56fa5646a"
 dependencies = [
  "cairo-lang-debug",
  "cairo-lang-diagnostics",
@@ -605,9 +605,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-diagnostics"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1df4e13d42baf9a94516215ebc97ec528731118553bf85f8545a24f8eee639cd"
+checksum = "726eb6b8f1337ffec205516f7135d3b71108587a15c88fa96d7041f1095b4559"
 dependencies = [
  "cairo-lang-debug",
  "cairo-lang-filesystem",
@@ -617,9 +617,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-eq-solver"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e6a8fd8e66897df92b141b75051ac2faed86f0b9d25885d40e712aad319177c"
+checksum = "b925889c20a789f5360eb2da4ade6837943140f555fa4ecd8000cb65633afe62"
 dependencies = [
  "cairo-lang-utils",
  "good_lp",
@@ -627,9 +627,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-filesystem"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d0a8a9f1dd202b57111998e961b6991c96500297f7229210ef25c671f1d6b96"
+checksum = "8533fa78ab2ae0235c855457f2e8674a08d30bfe83411cd9bb5165c959fdf818"
 dependencies = [
  "cairo-lang-debug",
  "cairo-lang-utils",
@@ -641,9 +641,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-formatter"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc293a771e95a62b6cda7b700bac1751c93b21939e1b0f0200973a7d54425601"
+checksum = "91770d67f53f8a3dea922ddbf793982648efa24a80f2c9d38c3366a405d3716c"
 dependencies = [
  "anyhow",
  "cairo-lang-diagnostics",
@@ -662,9 +662,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-lowering"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6947483f4ad7e988689e0f70a8abd508ab4ba01747bd218d5fe4967953fdb95"
+checksum = "114c41cfb84087bf8d494a9e5e688f41808b76fd685d8ab5d3260e44d8c55a7f"
 dependencies = [
  "cairo-lang-debug",
  "cairo-lang-defs",
@@ -687,9 +687,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-parser"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "331fb4f23c3fbbb1707ef89b4b0a9cc53bd80d25a6345d54c6c3c6f5758ba515"
+checksum = "03c008f31de0724197e58252439ca55f6677fbd9eba14e2d9dc7d6bf277acbc9"
 dependencies = [
  "cairo-lang-diagnostics",
  "cairo-lang-filesystem",
@@ -707,9 +707,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-plugins"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e69909f7a2f03c967bda0837e048b662a98c338e44a06b91f190f149f0e11ec"
+checksum = "cf35bfc609ab6eebf44d677dbf13895124a21cd968a4b77661ae646231ca6a1d"
 dependencies = [
  "cairo-lang-defs",
  "cairo-lang-diagnostics",
@@ -726,9 +726,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-proc-macros"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7234af714f714b36088f47a0d6ae3b099a84af9557f139e29a4c56550f448f7d"
+checksum = "9e1f9cc07f207a23d932fec65c02cb605687b66c96db2d109f704ed08eb5b1f5"
 dependencies = [
  "cairo-lang-debug",
  "quote",
@@ -737,9 +737,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-project"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e1d8aa35b0b94efc42a043b064dbc3156cc1c6250e53106b36e44487fb4ec07"
+checksum = "0342e3a7b6ffc3e294f13560ee738b93b8ae89f8a1c22b5bb11474a0586d9b52"
 dependencies = [
  "cairo-lang-filesystem",
  "cairo-lang-utils",
@@ -751,9 +751,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-runner"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae9567f072c989671bcd8053e66b57b3d75ef62872755a4b68238d60505e2ef5"
+checksum = "cdeca10974e4b3712d5998a611e363218e3d858c29b6e08b7aa21c28801bf77e"
 dependencies = [
  "ark-ff",
  "ark-secp256k1",
@@ -782,9 +782,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-semantic"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae9aa769d17c3f5878c6f53abd749996fb296470f038be502ae72ce390d9300"
+checksum = "74ff271b014038dba66d1089a34d33a07ffe9ebd04d0cd72a48cc6d89a34c3b3"
 dependencies = [
  "cairo-lang-debug",
  "cairo-lang-defs",
@@ -809,9 +809,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-sierra"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1f4eef1416c2f55c4fe186ffde3ad973097b771169cfdd1d166660f249f332d"
+checksum = "630c5f2625f1bc28c2d49aa4ae83026f10d5aef078a6a0a561597022bbea9c20"
 dependencies = [
  "anyhow",
  "cairo-lang-utils",
@@ -837,9 +837,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-sierra-ap-change"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a92fffc29d9f21ae43137e1df4227c20409f7a2d3cde882d7cd7323fccde7337"
+checksum = "7d52220c919a8780c7f8c0712af6debbcb85bd030073469ddd32be4adada087d"
 dependencies = [
  "cairo-lang-eq-solver",
  "cairo-lang-sierra",
@@ -853,9 +853,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-sierra-gas"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ea81b70595967d16344d0a8b586fecb44f6e86d0cc037a70e296b5129991005"
+checksum = "8f0d7f5332f2a42f3af5ab2fa1070780916e5abd8f971d397bca2fa74bfce935"
 dependencies = [
  "cairo-lang-eq-solver",
  "cairo-lang-sierra",
@@ -869,9 +869,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-sierra-generator"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc59884047bd150f18e299ed1417768e3ad79724e2cfaf9355b543dbe5757da4"
+checksum = "c997dbf2ee6ccaae8d11301b8a2b72641757edfbbbd35807e5143861028a4e5b"
 dependencies = [
  "cairo-lang-debug",
  "cairo-lang-defs",
@@ -894,9 +894,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-sierra-to-casm"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f5c2a976e426f5710421be9b9983970b94beb786bcc0f05aac75464b4bb003f"
+checksum = "e9ba5d395b1e2ef05ed2c5898735df60d8ae9abab4f92c4b6f88ba79bbcafcd9"
 dependencies = [
  "assert_matches",
  "cairo-lang-casm",
@@ -915,9 +915,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-sierra-type-size"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b196da788634f0bc6e30c1ca47e973dc794e6142874b8ee261e1a030098e66a8"
+checksum = "9d4ba6a52be450a3f2dc3fffe3660b76127af5b57526db7deb1cbd5a5a2a9be5"
 dependencies = [
  "cairo-lang-sierra",
  "cairo-lang-utils",
@@ -925,9 +925,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-starknet"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e0e1930b4bbac1cf4b9cf7f616d2f87b76c0aa1628ebde60b3290a9f88a5d24"
+checksum = "d4a76537c39673c8d22972a9ac01293f4296512d7f4d9dc357a5202e0f1e185b"
 dependencies = [
  "anyhow",
  "cairo-lang-compiler",
@@ -956,9 +956,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-starknet-classes"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ef6711435b8f1ee5e9fc87da697226ee6b908b216cbaf83097b9311fe35ab57"
+checksum = "fd56fec847ccd3b0a0928c5a33d8a9bab262be52f87ccc361593f0376e186700"
 dependencies = [
  "cairo-lang-casm",
  "cairo-lang-sierra",
@@ -980,9 +980,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-syntax"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "636bbb643726497151769f457bf3d014ba50e5b010a62f5849c8a4a190e64f1d"
+checksum = "b209e3efbaa9889fc2aa8c0f83fc7cfd453cede0c29562fe581cb42eaff015ea"
 dependencies = [
  "cairo-lang-debug",
  "cairo-lang-filesystem",
@@ -996,9 +996,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-syntax-codegen"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5cc986bacd9e82f36793deb2f007053fbf87aaf4dc792c0738d98d52a4a651b"
+checksum = "7664a426d0344b98bb96d3891fd4e571eb79b561009a8db12aa7424662b50129"
 dependencies = [
  "genco",
  "xshell",
@@ -1006,9 +1006,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-test-utils"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93a406bae95cfdf8db8370f4c52a34d68dc300575d9e50ac8e645f0150b24700"
+checksum = "ff1fd08b403ccdbaf9497150f9cc870627c7bf3d7450e5cb978ab7cbf1d6bccf"
 dependencies = [
  "cairo-lang-formatter",
  "cairo-lang-utils",
@@ -1019,9 +1019,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-lang-utils"
-version = "2.7.0-rc.1"
+version = "2.7.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc4d29b6c19ebb5ec4b3bc07f5ab300b2275abfa16a32dc5b7db17651768709c"
+checksum = "794a02dfe6bcef32eb49dc0a25e8f968e644053c53481bb4245b00e6d7dbeb7c"
 dependencies = [
  "hashbrown 0.14.5",
  "indexmap 2.2.6",
@@ -1035,9 +1035,9 @@ dependencies = [
 
 [[package]]
 name = "cairo-vm"
-version = "1.0.0-rc4"
+version = "1.0.0-rc5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f805c860c1f3831b93787c470e166ca762da9aba00c8b3a373076420f0e8bb2c"
+checksum = "e09134ea1e0be6c1fbd330f0945df0512fa70944fd0b3ecc2f74a6008f01e9da"
 dependencies = [
  "anyhow",
  "bincode",
diff --git a/Cargo.toml b/Cargo.toml
index 75a2444a16..103fa3da93 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,11 +20,11 @@ ark-secp256k1 = "0.4.0"
 ark-secp256r1 = "0.4.0"
 assert_matches = "1.5.0"
 cached = "0.44.0"
-cairo-lang-casm = "2.7.0-rc.1"
-cairo-lang-runner = "2.7.0-rc.1"
-cairo-lang-starknet-classes = "2.7.0-rc.1"
-cairo-lang-utils = "2.7.0-rc.1"
-cairo-vm = "1.0.0-rc4"
+cairo-lang-casm = "2.7.0-rc.2"
+cairo-lang-runner = "2.7.0-rc.2"
+cairo-lang-starknet-classes = "2.7.0-rc.2"
+cairo-lang-utils = "2.7.0-rc.2"
+cairo-vm = "1.0.0-rc5"
 criterion = "0.3"
 derive_more = "0.99.17"
 glob = "0.3.1"
diff --git a/crates/blockifier/src/concurrency/worker_logic_test.rs b/crates/blockifier/src/concurrency/worker_logic_test.rs
index 28b8cac3af..1f28b1ee4f 100644
--- a/crates/blockifier/src/concurrency/worker_logic_test.rs
+++ b/crates/blockifier/src/concurrency/worker_logic_test.rs
@@ -3,7 +3,9 @@ use std::sync::Mutex;
 
 use rstest::rstest;
 use starknet_api::core::{ContractAddress, Nonce, PatriciaKey};
-use starknet_api::transaction::{ContractAddressSalt, ResourceBoundsMapping};
+use starknet_api::transaction::{
+    ContractAddressSalt, Fee, ResourceBoundsMapping, TransactionVersion,
+};
 use starknet_api::{contract_address, felt, patricia_key};
 use starknet_types_core::felt::Felt;
 
@@ -31,7 +33,8 @@ use crate::transaction::account_transaction::AccountTransaction;
 use crate::transaction::constants::DEPLOY_CONTRACT_FUNCTION_ENTRY_POINT_NAME;
 use crate::transaction::objects::HasRelatedFeeType;
 use crate::transaction::test_utils::{
-    account_invoke_tx, calculate_class_info_for_testing, emit_n_events_tx, max_resource_bounds,
+    account_invoke_tx, calculate_class_info_for_testing, emit_n_events_tx, max_fee,
+    max_resource_bounds,
 };
 use crate::transaction::transaction_execution::Transaction;
 use crate::{declare_tx_args, invoke_tx_args, nonce, storage_key};
@@ -525,7 +528,14 @@ fn test_worker_validate(max_resource_bounds: ResourceBoundsMapping) {
 }
 
 #[rstest]
-fn test_deploy_before_declare(max_resource_bounds: ResourceBoundsMapping) {
+#[case::declare_cairo0(CairoVersion::Cairo0, TransactionVersion::ONE)]
+#[case::declare_cairo1(CairoVersion::Cairo1, TransactionVersion::THREE)]
+fn test_deploy_before_declare(
+    max_fee: Fee,
+    max_resource_bounds: ResourceBoundsMapping,
+    #[case] cairo_version: CairoVersion,
+    #[case] version: TransactionVersion,
+) {
     // Create the state.
     let block_context = BlockContext::create_for_account_testing();
     let chain_info = &block_context.chain_info;
@@ -536,7 +546,7 @@ fn test_deploy_before_declare(max_resource_bounds: ResourceBoundsMapping) {
     // Create transactions.
     let account_address_0 = account_contract.get_instance_address(0);
     let account_address_1 = account_contract.get_instance_address(1);
-    let test_contract = FeatureContract::TestContract(CairoVersion::Cairo1);
+    let test_contract = FeatureContract::TestContract(cairo_version);
     let test_class_hash = test_contract.get_class_hash();
     let test_class_info = calculate_class_info_for_testing(test_contract.get_class());
     let test_compiled_class_hash = test_contract.get_compiled_class_hash();
@@ -546,6 +556,8 @@ fn test_deploy_before_declare(max_resource_bounds: ResourceBoundsMapping) {
             resource_bounds: max_resource_bounds.clone(),
             class_hash: test_class_hash,
             compiled_class_hash: test_compiled_class_hash,
+            version,
+            max_fee,
             nonce: nonce!(0_u8),
         },
         test_class_info.clone(),
@@ -555,7 +567,7 @@ fn test_deploy_before_declare(max_resource_bounds: ResourceBoundsMapping) {
     let invoke_tx = account_invoke_tx(invoke_tx_args! {
         sender_address: account_address_1,
         calldata: create_calldata(
-            account_contract.get_instance_address(0),
+            account_address_0,
             DEPLOY_CONTRACT_FUNCTION_ENTRY_POINT_NAME,
             &[
                 test_class_hash.0,                  // Class hash.
diff --git a/crates/blockifier/src/transaction/transactions_test.rs b/crates/blockifier/src/transaction/transactions_test.rs
index f00601020a..e21c90de2e 100644
--- a/crates/blockifier/src/transaction/transactions_test.rs
+++ b/crates/blockifier/src/transaction/transactions_test.rs
@@ -1102,6 +1102,7 @@ fn test_declare_tx(
     let compiled_class_hash = empty_contract.get_compiled_class_hash();
     let class_info = calculate_class_info_for_testing(empty_contract.get_class());
     let sender_address = account.get_instance_address(0);
+    let mut nonce_manager = NonceManager::default();
     let starknet_resources = StarknetResources::new(
         0,
         0,
@@ -1116,9 +1117,10 @@ fn test_declare_tx(
             max_fee: Fee(MAX_FEE),
             sender_address,
             version: tx_version,
-            resource_bounds: max_resource_bounds,
+            resource_bounds: max_resource_bounds.clone(),
             class_hash,
             compiled_class_hash,
+            nonce: nonce_manager.next(sender_address),
         },
         class_info.clone(),
     );
@@ -1214,6 +1216,26 @@ fn test_declare_tx(
     // Verify class declaration.
     let contract_class_from_state = state.get_compiled_contract_class(class_hash).unwrap();
     assert_eq!(contract_class_from_state, class_info.contract_class());
+
+    // Checks that redeclaring the same contract fails.
+    let account_tx2 = declare_tx(
+        declare_tx_args! {
+            max_fee: Fee(MAX_FEE),
+            sender_address,
+            version: tx_version,
+            resource_bounds: max_resource_bounds,
+            class_hash,
+            compiled_class_hash,
+            nonce: nonce_manager.next(sender_address),
+        },
+        class_info.clone(),
+    );
+    let result = account_tx2.execute(state, block_context, true, true);
+    assert_matches!(
+         result.unwrap_err(),
+        TransactionExecutionError::DeclareTransactionError{ class_hash:already_declared_class_hash } if
+        already_declared_class_hash == class_hash
+    );
 }
 
 #[rstest]