diff --git a/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/Nargo.toml b/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/Nargo.toml
index c489feb117c..8b6344b9cd0 100644
--- a/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/Nargo.toml
@@ -6,4 +6,5 @@ type = "contract"
 
 [dependencies]
 aztec = { path = "../../../aztec-nr/aztec" }
+keccak256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/keccak256" }
 sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }
diff --git a/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/src/main.nr b/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/src/main.nr
index 9755ffe4264..ae026813bf9 100644
--- a/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/src/main.nr
+++ b/noir-projects/noir-contracts/contracts/avm_gadgets_test_contract/src/main.nr
@@ -6,7 +6,7 @@ contract AvmGadgetsTest {
 
     #[public]
     fn keccak_hash(data: [u8; 10]) -> [u8; 32] {
-        std::hash::keccak256(data, data.len() as u32)
+        keccak256::keccak256(data, data.len())
     }
 
     #[public]
diff --git a/noir-projects/noir-contracts/contracts/avm_test_contract/Nargo.toml b/noir-projects/noir-contracts/contracts/avm_test_contract/Nargo.toml
index 1ba7f5b1cf2..7781f4552e6 100644
--- a/noir-projects/noir-contracts/contracts/avm_test_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/avm_test_contract/Nargo.toml
@@ -8,3 +8,4 @@ type = "contract"
 aztec = { path = "../../../aztec-nr/aztec" }
 compressed_string = { path = "../../../aztec-nr/compressed-string" }
 sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }
+keccak256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/keccak256" }
diff --git a/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr b/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr
index 53702d8c195..c33275171cc 100644
--- a/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr
+++ b/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr
@@ -627,7 +627,7 @@ pub contract AvmTest {
         dep::aztec::oracle::debug_log::debug_log("read_storage_map");
         let _ = read_storage_map(context.this_address());
         dep::aztec::oracle::debug_log::debug_log("keccak_hash");
-        let _ = std::hash::keccak256(args_u8, args_u8.len());
+        let _ = keccak256::keccak256(args_u8, args_u8.len());
         dep::aztec::oracle::debug_log::debug_log("sha256_hash");
         let _ = sha256::sha256_var(args_u8, args_u8.len() as u64);
         dep::aztec::oracle::debug_log::debug_log("poseidon2_hash");
diff --git a/noir-projects/noir-contracts/contracts/fee_juice_contract/Nargo.toml b/noir-projects/noir-contracts/contracts/fee_juice_contract/Nargo.toml
index bab26316c4e..a223f60de93 100644
--- a/noir-projects/noir-contracts/contracts/fee_juice_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/fee_juice_contract/Nargo.toml
@@ -9,3 +9,4 @@ aztec = { path = "../../../aztec-nr/aztec" }
 authwit = { path = "../../../aztec-nr/authwit" }
 deployer = { path = "../contract_instance_deployer_contract" }
 registerer = { path = "../contract_class_registerer_contract" }
+keccak256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/keccak256" }
diff --git a/noir-projects/noir-contracts/contracts/fee_juice_contract/src/lib.nr b/noir-projects/noir-contracts/contracts/fee_juice_contract/src/lib.nr
index 2fa51c33c05..390dc878c25 100644
--- a/noir-projects/noir-contracts/contracts/fee_juice_contract/src/lib.nr
+++ b/noir-projects/noir-contracts/contracts/fee_juice_contract/src/lib.nr
@@ -13,7 +13,7 @@ pub fn get_bridge_gas_msg_hash(owner: AztecAddress, amount: U128) -> Field {
 
     // The purpose of including the following selector is to make the message unique to that specific call. Note that
     // it has nothing to do with calling the function.
-    let selector = comptime { std::hash::keccak256("claim(bytes32,uint256)".as_bytes(), 22) };
+    let selector = comptime { keccak256::keccak256("claim(bytes32,uint256)".as_bytes(), 22) };
 
     for i in 0..4 {
         hash_bytes[i] = selector[i];
diff --git a/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/Nargo.toml b/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/Nargo.toml
index 6c712909112..08e24bd5d44 100644
--- a/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/Nargo.toml
@@ -6,3 +6,4 @@ type = "lib"
 
 [dependencies]
 aztec = { path = "../../../aztec-nr/aztec" }
+keccak256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/keccak256" }
diff --git a/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/src/lib.nr b/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/src/lib.nr
index 00e96726fc8..32039dfb512 100644
--- a/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/src/lib.nr
+++ b/noir-projects/noir-contracts/contracts/token_portal_content_hash_lib/src/lib.nr
@@ -11,7 +11,7 @@ pub fn get_mint_to_public_content_hash(owner: AztecAddress, amount: U128) -> Fie
 
     // The purpose of including the following selector is to make the message unique to that specific call. Note that
     // it has nothing to do with calling the function.
-    let selector = comptime { std::hash::keccak256("mint_to_public(bytes32,uint256)".as_bytes(), 31) };
+    let selector = comptime { keccak256::keccak256("mint_to_public(bytes32,uint256)".as_bytes(), 31) };
 
     for i in 0..4 {
         hash_bytes[i] = selector[i];
@@ -36,7 +36,7 @@ pub fn get_mint_to_private_content_hash(amount: U128) -> Field {
 
     // The purpose of including the following selector is to make the message unique to that specific call. Note that
     // it has nothing to do with calling the function.
-    let selector = comptime { std::hash::keccak256("mint_to_private(uint256)".as_bytes(), 24) };
+    let selector = comptime { keccak256::keccak256("mint_to_private(uint256)".as_bytes(), 24) };
 
     for i in 0..4 {
         hash_bytes[i] = selector[i];
@@ -65,7 +65,7 @@ pub fn get_withdraw_content_hash(recipient: EthAddress, amount: U128, caller_on_
 
     // The purpose of including the following selector is to make the message unique to that specific call. Note that
     // it has nothing to do with calling the function.
-    let selector = comptime { std::hash::keccak256("withdraw(address,uint256,address)".as_bytes(), 33) };
+    let selector = comptime { keccak256::keccak256("withdraw(address,uint256,address)".as_bytes(), 33) };
 
     for i in 0..4 {
         hash_bytes[i] = selector[i];
diff --git a/noir-projects/noir-contracts/contracts/uniswap_contract/Nargo.toml b/noir-projects/noir-contracts/contracts/uniswap_contract/Nargo.toml
index dbc2b0cf06d..a93d061c135 100644
--- a/noir-projects/noir-contracts/contracts/uniswap_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/uniswap_contract/Nargo.toml
@@ -8,4 +8,5 @@ type = "contract"
 aztec = { path = "../../../aztec-nr/aztec" }
 authwit = { path = "../../../aztec-nr/authwit" }
 token = { path = "../token_contract" }
-token_bridge = { path = "../token_bridge_contract" }
\ No newline at end of file
+token_bridge = { path = "../token_bridge_contract" }
+keccak256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/keccak256" }
diff --git a/noir-projects/noir-contracts/contracts/uniswap_contract/src/util.nr b/noir-projects/noir-contracts/contracts/uniswap_contract/src/util.nr
index 4e0421d6cbe..b1d5a4d30fa 100644
--- a/noir-projects/noir-contracts/contracts/uniswap_contract/src/util.nr
+++ b/noir-projects/noir-contracts/contracts/uniswap_contract/src/util.nr
@@ -30,7 +30,7 @@ pub fn compute_swap_public_content_hash(
     // The purpose of including the following selector is to make the message unique to that specific call. Note that
     // it has nothing to do with calling the function.
     let selector = comptime {
-        std::hash::keccak256(
+        keccak256::keccak256(
             "swap_public(address,uint256,uint24,address,uint256,bytes32,bytes32,address)".as_bytes(),
             75,
         )
@@ -84,7 +84,7 @@ pub fn compute_swap_private_content_hash(
     // The purpose of including the following selector is to make the message unique to that specific call. Note that
     // it has nothing to do with calling the function.
     let selector = comptime {
-        std::hash::keccak256(
+        keccak256::keccak256(
             "swap_private(address,uint256,uint24,address,uint256,bytes32,address)".as_bytes(),
             68,
         )