diff --git a/crates/papyrus_protobuf/src/converters/class.rs b/crates/papyrus_protobuf/src/converters/class.rs
index 770f2bdee9a..0976c88bf26 100644
--- a/crates/papyrus_protobuf/src/converters/class.rs
+++ b/crates/papyrus_protobuf/src/converters/class.rs
@@ -207,6 +207,8 @@ impl TryFrom<protobuf::Cairo1Class> for state::SierraContractClass {
         let sierra_program =
             value.program.into_iter().map(Felt::try_from).collect::<Result<Vec<_>, _>>()?;
 
+        let contract_class_version = value.contract_class_version;
+
         let mut entry_points_by_type = HashMap::new();
         let entry_points =
             value.entry_points.clone().ok_or(ProtobufConversionError::MissingField {
@@ -243,7 +245,12 @@ impl TryFrom<protobuf::Cairo1Class> for state::SierraContractClass {
             );
         }
 
-        Ok(state::SierraContractClass { sierra_program, entry_points_by_type, abi })
+        Ok(state::SierraContractClass {
+            sierra_program,
+            entry_points_by_type,
+            abi,
+            contract_class_version,
+        })
     }
 }
 
diff --git a/crates/papyrus_storage/src/serialization/serializers.rs b/crates/papyrus_storage/src/serialization/serializers.rs
index d4dab673a5b..d3fd9d4be28 100644
--- a/crates/papyrus_storage/src/serialization/serializers.rs
+++ b/crates/papyrus_storage/src/serialization/serializers.rs
@@ -983,6 +983,7 @@ impl StorageSerde for SierraContractClass {
                 bytes,
             )?,
             abi: String::deserialize_from(&mut decompress_from_reader(bytes)?.as_slice())?,
+            contract_class_version: String::deserialize_from(bytes)?,
         })
     }
 }
diff --git a/crates/papyrus_storage/src/utils_test.rs b/crates/papyrus_storage/src/utils_test.rs
index 157e2e7efd9..e7cf7c21bf1 100644
--- a/crates/papyrus_storage/src/utils_test.rs
+++ b/crates/papyrus_storage/src/utils_test.rs
@@ -31,6 +31,7 @@ fn test_dump_declared_classes() {
         declared_classes.push((
             ClassHash(i_felt),
             SierraContractClass {
+                contract_class_version: "".to_string(),
                 sierra_program: vec![i_felt, i_felt],
                 entry_points_by_type: HashMap::new(),
                 abi: "".to_string(),
diff --git a/crates/papyrus_test_utils/src/lib.rs b/crates/papyrus_test_utils/src/lib.rs
index 358f1c18017..f5d45706cc8 100644
--- a/crates/papyrus_test_utils/src/lib.rs
+++ b/crates/papyrus_test_utils/src/lib.rs
@@ -500,6 +500,7 @@ auto_impl_get_test_instance! {
         pub sierra_program: Vec<Felt>,
         pub entry_points_by_type: HashMap<EntryPointType, Vec<EntryPoint>>,
         pub abi: String,
+        pub contract_class_version: String,
     }
     pub struct DeprecatedContractClass {
         pub abi: Option<Vec<ContractClassAbiEntry>>,
diff --git a/crates/starknet_api/src/state.rs b/crates/starknet_api/src/state.rs
index e0e37067a02..dc463387eb8 100644
--- a/crates/starknet_api/src/state.rs
+++ b/crates/starknet_api/src/state.rs
@@ -215,6 +215,7 @@ pub struct SierraContractClass {
     pub sierra_program: Vec<Felt>,
     pub entry_points_by_type: HashMap<EntryPointType, Vec<EntryPoint>>,
     pub abi: String,
+    pub contract_class_version: String,
 }
 
 /// An entry point of a [ContractClass](`crate::state::ContractClass`).
diff --git a/crates/starknet_client/src/reader/objects/state.rs b/crates/starknet_client/src/reader/objects/state.rs
index 67ad35b75b0..dd8fd132522 100644
--- a/crates/starknet_client/src/reader/objects/state.rs
+++ b/crates/starknet_client/src/reader/objects/state.rs
@@ -66,6 +66,7 @@ pub struct ContractClass {
 impl From<ContractClass> for starknet_api::state::SierraContractClass {
     fn from(class: ContractClass) -> Self {
         Self {
+            contract_class_version: class.contract_class_version,
             sierra_program: class.sierra_program,
             entry_points_by_type: class.entry_points_by_type,
             abi: class.abi,