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 ca88c9679554..c489feb117ca 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
@@ -6,3 +6,4 @@ type = "contract"
 
 [dependencies]
 aztec = { path = "../../../aztec-nr/aztec" }
+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 0a3532493395..9755ffe42649 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
@@ -21,64 +21,64 @@ contract AvmGadgetsTest {
 
     #[public]
     fn sha256_hash_10(data: [u8; 10]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_20(data: [u8; 20]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_30(data: [u8; 30]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_40(data: [u8; 40]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_50(data: [u8; 50]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_60(data: [u8; 60]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_70(data: [u8; 70]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_80(data: [u8; 80]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_90(data: [u8; 90]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_100(data: [u8; 100]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_255(data: [u8; 255]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_256(data: [u8; 256]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_511(data: [u8; 511]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
     #[public]
     fn sha256_hash_512(data: [u8; 512]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
 
     #[public]
     fn sha256_hash_2048(data: [u8; 2048]) -> [u8; 32] {
-        std::hash::sha256(data)
+        sha256::sha256_var(data, data.len() as u64)
     }
 
     #[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 44b1d0c82bac..1ba7f5b1cf23 100644
--- a/noir-projects/noir-contracts/contracts/avm_test_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/avm_test_contract/Nargo.toml
@@ -7,4 +7,4 @@ type = "contract"
 [dependencies]
 aztec = { path = "../../../aztec-nr/aztec" }
 compressed_string = { path = "../../../aztec-nr/compressed-string" }
-sha256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/sha256" }
\ No newline at end of file
+sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }
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 e4e9f49a73cd..53702d8c195b 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
@@ -627,9 +627,9 @@ 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() as u32);
+        let _ = std::hash::keccak256(args_u8, args_u8.len());
         dep::aztec::oracle::debug_log::debug_log("sha256_hash");
-        let _ = std::hash::sha256(args_u8);
+        let _ = sha256::sha256_var(args_u8, args_u8.len() as u64);
         dep::aztec::oracle::debug_log::debug_log("poseidon2_hash");
         let _ = std::hash::poseidon2::Poseidon2::hash(args_field, args_field.len());
         dep::aztec::oracle::debug_log::debug_log("pedersen_hash");
diff --git a/noir-projects/noir-contracts/contracts/card_game_contract/Nargo.toml b/noir-projects/noir-contracts/contracts/card_game_contract/Nargo.toml
index dfa07cce3064..472d4f5fb207 100644
--- a/noir-projects/noir-contracts/contracts/card_game_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/card_game_contract/Nargo.toml
@@ -7,4 +7,4 @@ type = "contract"
 [dependencies]
 aztec = { path = "../../../aztec-nr/aztec" }
 value_note = { path = "../../../aztec-nr/value-note" }
-sha256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/sha256" }
+sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }
diff --git a/noir-projects/noir-contracts/contracts/ecdsa_k_account_contract/Nargo.toml b/noir-projects/noir-contracts/contracts/ecdsa_k_account_contract/Nargo.toml
index 174996f3ad15..c77d4ad6225b 100644
--- a/noir-projects/noir-contracts/contracts/ecdsa_k_account_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/ecdsa_k_account_contract/Nargo.toml
@@ -8,4 +8,4 @@ type = "contract"
 aztec = { path = "../../../aztec-nr/aztec" }
 authwit = { path = "../../../aztec-nr/authwit" }
 ecdsa_public_key_note = { path = "../ecdsa_public_key_note" }
-sha256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/sha256" }
+sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }
diff --git a/noir-projects/noir-contracts/contracts/ecdsa_r_account_contract/Nargo.toml b/noir-projects/noir-contracts/contracts/ecdsa_r_account_contract/Nargo.toml
index 14cf9f23fea9..858fe93cd11b 100644
--- a/noir-projects/noir-contracts/contracts/ecdsa_r_account_contract/Nargo.toml
+++ b/noir-projects/noir-contracts/contracts/ecdsa_r_account_contract/Nargo.toml
@@ -8,4 +8,4 @@ type = "contract"
 aztec = { path = "../../../aztec-nr/aztec" }
 authwit = { path = "../../../aztec-nr/authwit" }
 ecdsa_public_key_note = { path = "../ecdsa_public_key_note" }
-sha256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/sha256" }
+sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }
diff --git a/noir-projects/noir-protocol-circuits/crates/types/Nargo.toml b/noir-projects/noir-protocol-circuits/crates/types/Nargo.toml
index f27573c59133..e8a6e8f2949f 100644
--- a/noir-projects/noir-protocol-circuits/crates/types/Nargo.toml
+++ b/noir-projects/noir-protocol-circuits/crates/types/Nargo.toml
@@ -6,4 +6,4 @@ compiler_version = ">=0.18.0"
 
 [dependencies]
 ec = { tag = "v0.1.2", git = "https://github.com/noir-lang/ec" }
-sha256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/sha256" }
+sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }