diff --git a/.github/workflows/ci-casper-rust-contract.yml b/.github/workflows/ci-casper-rust-contract.yml
index 4c808cc..089e1e7 100644
--- a/.github/workflows/ci-casper-rust-contract.yml
+++ b/.github/workflows/ci-casper-rust-contract.yml
@@ -2,12 +2,12 @@ name: ci-casper-rust-contract
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
     paths-ignore:
       - '**.md'
 
   pull_request:
-    branches: [ master ]
+    branches: [master]
     paths-ignore:
       - '**.md'
 
@@ -18,14 +18,14 @@ jobs:
         os: [ubuntu-20.04, ubuntu-22.04]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions-rs/toolchain@v1
-      with:
-        profile: minimal
-        components: rustfmt, clippy
-    # Needed for gcc install
-    - run: sudo apt update && sudo apt install -y build-essential
-    - uses: Swatinem/rust-cache@v1
-    - run: make prepare
-    - run: make check-lint
-    - run: make test
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          components: rustfmt, clippy
+      # Needed for gcc install
+      - run: sudo apt update && sudo apt install -y build-essential wabt
+      - uses: Swatinem/rust-cache@v1
+      - run: make prepare
+      - run: make check-lint
+      - run: make test
diff --git a/.github/workflows/nightly-scheduled-test.yml b/.github/workflows/nightly-scheduled-test.yml
index 48dcf37..030c877 100644
--- a/.github/workflows/nightly-scheduled-test.yml
+++ b/.github/workflows/nightly-scheduled-test.yml
@@ -5,7 +5,7 @@ on:
   schedule:
     # * is a special character in YAML so you have to quote this string
     # runs every day at midnight
-    - cron: "0 0 * * *"
+    - cron: '0 0 * * *'
 
 jobs:
   nightly-make-test:
@@ -21,7 +21,7 @@ jobs:
           components: rustfmt, clippy
 
       # Needed for gcc install
-      - run: sudo apt update && sudo apt install -y build-essential
+      - run: sudo apt update && sudo apt install -y build-essential wabt
       - uses: Swatinem/rust-cache@v1
       - run: make prepare
       - run: make test
@@ -31,9 +31,9 @@ jobs:
         if: always()
         with:
           status: ${{ job.status }}
-          notification_title: "*{repo}*"
-          message_format: "{emoji} *{workflow}* *{status_message}* in <{repo_url}|{repo}@{branch}> on <{commit_url}|{commit_sha}>"
-          footer: "<{run_url}|View Run>"
+          notification_title: '*{repo}*'
+          message_format: '{emoji} *{workflow}* *{status_message}* in <{repo_url}|{repo}@{branch}> on <{commit_url}|{commit_sha}>'
+          footer: '<{run_url}|View Run>'
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
 
diff --git a/Makefile b/Makefile
index 607acb7..e913f84 100644
--- a/Makefile
+++ b/Makefile
@@ -2,25 +2,27 @@ prepare:
 	rustup target add wasm32-unknown-unknown
 
 build-contract:
-	cargo build --release -p contract --target wasm32-unknown-unknown
+	cd contract && cargo build --release --target wasm32-unknown-unknown
+	wasm-strip ./target/wasm32-unknown-unknown/release/contract.wasm
 
-test-only:
-	cargo test -p tests
-
-copy-wasm-file-to-test:
-	cp target/wasm32-unknown-unknown/release/contract.wasm tests/wasm
-
-test: build-contract copy-wasm-file-to-test test-only
+test: build-contract
+	mkdir -p tests/wasm
+	cp ./target/wasm32-unknown-unknown/release/contract.wasm tests/wasm
+	cd tests && cargo test
 
 clippy:
-	cargo clippy --all-targets --all -- -D warnings -A renamed_and_removed_lints
+	cd contract && cargo clippy --all-targets -- -D warnings
+	cd tests && cargo clippy --all-targets -- -D warnings
 
 check-lint: clippy
-	cargo fmt --all -- --check
+	cd contract && cargo fmt -- --check
+	cd tests && cargo fmt -- --check
 
 lint: clippy
-	cargo fmt --all
-	
+	cd contract && cargo fmt
+	cd tests && cargo fmt
+
 clean:
-	cargo clean
-	rm -rf tests/wasm/contract.wasm
+	cd contract && cargo clean
+	cd tests && cargo clean
+	rm -rf tests/wasm
diff --git a/README.md b/README.md
index 6a18530..525ae69 100644
--- a/README.md
+++ b/README.md
@@ -4,25 +4,31 @@ This session code accepts a message string and stores it in the calling account
 
 **Usage**: This session code expects a runtime argument named `message` of the type `String`.
 
-**Tests**: There are two tests available to test the Hello World session code. The `should_store_hello_world` test verifies the successful path, where a string *hello world* is saved under the `special_value` NamedKey. The `should_error_on_missing_runtime_arg` test verifies that an error is displayed when the runtime argument is missing. 
-The tests start by initializing the Casper crates and creating a genesis account. Then the contract Wasm is loaded to the session_code object. The deploy_item object is created using the details like payment method, session code arguments, and the account address. The deploy_item object is passed to the execute_request. Finally, the execution engine is invoked to process the execute_request. 
+**Tests**: There are two tests available to test the Hello World session code. The `should_store_hello_world` test verifies the successful path, where a string _hello world_ is saved under the `special_value` NamedKey. The `should_error_on_missing_runtime_arg` test verifies that an error is displayed when the runtime argument is missing.
+The tests start by initializing the Casper crates and creating a genesis account. Then the contract Wasm is loaded to the session_code object. The deploy_item object is created using the details like payment method, session code arguments, and the account address. The deploy_item object is passed to the execute_request. Finally, the execution engine is invoked to process the execute_request.
 
-## Build and Test the Session Code 
+## Build and Test the Session Code
 
 ### Set up the Rust toolchain
+
 You need the Rust toolchain to develop smart contracts.
+
 ```bash
 make prepare
 ```
 
 ### Compile session code
+
 Compile the session code to WebAssembly (Wasm)
+
 ```bash
 make build-contract
 ```
 
 ### Test
+
 Run the tests suite.
+
 ```bash
 make test
 ```
@@ -74,7 +80,6 @@ nctl-view-faucet-account
 
 </details>
 
-
 The following command will help you deploy the session code on the NCTL network. In the following command, the KEY PATH is the path of the faucet account secret key.
 
 ```bash
@@ -84,10 +89,10 @@ casper-client put-deploy \
     --secret-key [KEY PATH]/secret_key.pem \
     --payment-amount 5000000000000 \
     --session-path [CONTRACT PATH]/contract.wasm \
-    --session-arg "message:string='hello world'"    
+    --session-arg "message:string='hello world'"
 ```
 
-After the deploy is successful, you can view the new NamedKey `special_value` in the faucet account details.  
+After the deploy is successful, you can view the new NamedKey `special_value` in the faucet account details.
 
 <details>
 <summary>Sample faucet account details after successful deploy</summary>
@@ -149,7 +154,7 @@ casper-client get-state-root-hash --node-address http://localhost:11101
 
 ```json
 {
-"id": -7547762796950564402,
+  "id": -7547762796950564402,
   "jsonrpc": "2.0",
   "result": {
     "api_version": "1.0.0",
@@ -192,6 +197,3 @@ casper-client query-state \
 ```
 
 </details>
-
-
-
diff --git a/contract/Cargo.toml b/contract/Cargo.toml
index 560a44e..9374e15 100644
--- a/contract/Cargo.toml
+++ b/contract/Cargo.toml
@@ -5,8 +5,8 @@ authors = ["darthsiroftardis <karan@casperlabs.io>"]
 edition = "2018"
 
 [dependencies]
-casper-contract = "1.4.4"
-casper-types = "1.5.0"
+casper-contract = "3.0.0"
+casper-types = "3.0.0"
 
 [[bin]]
 name = "contract"
@@ -14,6 +14,3 @@ path = "src/main.rs"
 bench = false
 doctest = false
 test = false
-
-[features]
-default = ["casper-contract/std", "casper-types/std", "casper-contract/test-support"]
diff --git a/contract/src/main.rs b/contract/src/main.rs
index 7729ce6..f0ec1c6 100644
--- a/contract/src/main.rs
+++ b/contract/src/main.rs
@@ -1,10 +1,14 @@
+#![no_std]
 #![no_main]
 
+extern crate alloc;
+
+use alloc::string::String;
 use casper_contract::contract_api::{runtime, storage};
 use casper_types::{Key, URef};
 
-const KEY: &str = "special_value";
-const ARG_MESSAGE: &str = "message";
+const KEY_NAME: &str = "my-key-name";
+const RUNTIME_ARG_NAME: &str = "message";
 
 fn store(value: String) {
     // Store `value` under a new unforgeable reference.
@@ -13,14 +17,15 @@ fn store(value: String) {
     // Wrap the unforgeable reference in a value of type `Key`.
     let value_key: Key = value_ref.into();
 
-    // Store this key under the name "special_value" in context-local storage.
-    runtime::put_key(KEY, value_key);
+    // Store this key under the name "my-key-name" in caller context
+    runtime::put_key(KEY_NAME, value_key);
 }
 
 // All session code must have a `call` entrypoint.
 #[no_mangle]
 pub extern "C" fn call() {
-    // Get the optional first argument supplied to the argument.
-    let value: String = runtime::get_named_arg(ARG_MESSAGE);
+    // This contract expects a single runtime argument to be provided.  The arg is named "message"
+    // and will be of type `String`.
+    let value: String = runtime::get_named_arg(RUNTIME_ARG_NAME);
     store(value);
 }
diff --git a/rust-toolchain b/rust-toolchain
index f97418f..f9e5e5e 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2022-03-03
+nightly-2023-03-25
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 8707bd2..0b1fddd 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -4,14 +4,15 @@ version = "0.1.0"
 edition = "2018"
 
 [dev-dependencies]
-casper-contract = { version = "1.4.4", default-features = false, features = ["test-support"] }
-casper-engine-test-support = { version = "2.2.0", features = ["test-support"] }
-casper-execution-engine = "2.0.0"
-casper-types = "1.5.0"
+casper-engine-test-support = "5.0.0"
+casper-contract = { version = "3.0.0", default-features = false, features = [
+  "test-support",
+] }
+casper-execution-engine = "5.0.0"
+casper-types = "3.0.0"
 
 [[bin]]
 name = "integration-tests"
 path = "src/integration_tests.rs"
 bench = false
 doctest = false
-
diff --git a/tests/src/integration_tests.rs b/tests/src/integration_tests.rs
index c8f22ba..aa23925 100644
--- a/tests/src/integration_tests.rs
+++ b/tests/src/integration_tests.rs
@@ -4,46 +4,24 @@ mod tests {
 
     use casper_engine_test_support::{
         DeployItemBuilder, ExecuteRequestBuilder, InMemoryWasmTestBuilder, ARG_AMOUNT,
-        DEFAULT_ACCOUNT_ADDR, DEFAULT_ACCOUNT_INITIAL_BALANCE, DEFAULT_GENESIS_CONFIG,
-        DEFAULT_GENESIS_CONFIG_HASH, DEFAULT_PAYMENT, DEFAULT_RUN_GENESIS_REQUEST,
-    };
-    use casper_execution_engine::core::engine_state::{
-        run_genesis_request::RunGenesisRequest, GenesisAccount,
-    };
-    use casper_types::{
-        account::AccountHash, runtime_args, Key, Motes, PublicKey, RuntimeArgs, SecretKey, U512,
+        DEFAULT_ACCOUNT_ADDR, DEFAULT_PAYMENT, PRODUCTION_RUN_GENESIS_REQUEST,
     };
+    use casper_execution_engine::core::{engine_state::Error as EngineStateError, execution};
+    use casper_types::{runtime_args, ApiError, Key, RuntimeArgs};
 
-    const MY_ACCOUNT: [u8; 32] = [7u8; 32];
-    // Define `KEY` constant to match that in the contract.
-    const KEY: &str = "special_value";
+    // Define `KEY_NAME` constant to match that in the contract.
+    const KEY_NAME: &str = "my-key-name";
     const VALUE: &str = "hello world";
     const RUNTIME_ARG_NAME: &str = "message";
     const CONTRACT_WASM: &str = "contract.wasm";
 
     #[test]
     fn should_store_hello_world() {
-        // Create keypair.
-        let secret_key = SecretKey::ed25519_from_bytes(MY_ACCOUNT).unwrap();
-        let public_key = PublicKey::from(&secret_key);
-
-        // Create an AccountHash from a public key.
-        let account_addr = AccountHash::from(&public_key);
-        // Create a GenesisAccount.
-        let account = GenesisAccount::account(
-            public_key,
-            Motes::new(U512::from(DEFAULT_ACCOUNT_INITIAL_BALANCE)),
-            None,
-        );
-
-        let mut genesis_config = DEFAULT_GENESIS_CONFIG.clone();
-        genesis_config.ee_config_mut().push_account(account);
+        let mut builder = InMemoryWasmTestBuilder::default();
+        builder
+            .run_genesis(&PRODUCTION_RUN_GENESIS_REQUEST)
+            .commit();
 
-        let run_genesis_request = RunGenesisRequest::new(
-            *DEFAULT_GENESIS_CONFIG_HASH,
-            genesis_config.protocol_version(),
-            genesis_config.take_ee_config(),
-        );
         // The test framework checks for compiled Wasm files in '<current working dir>/wasm'.  Paths
         // relative to the current working dir (e.g. 'wasm/contract.wasm') can also be used, as can
         // absolute paths.
@@ -57,20 +35,17 @@ mod tests {
                 ARG_AMOUNT => *DEFAULT_PAYMENT
             })
             .with_session_code(session_code, session_args)
-            .with_authorization_keys(&[account_addr])
-            .with_address(account_addr)
+            .with_authorization_keys(&[*DEFAULT_ACCOUNT_ADDR])
+            .with_address(*DEFAULT_ACCOUNT_ADDR)
             .build();
 
         let execute_request = ExecuteRequestBuilder::from_deploy_item(deploy_item).build();
 
-        let mut builder = InMemoryWasmTestBuilder::default();
-        builder.run_genesis(&run_genesis_request).commit();
-
         // prepare assertions.
         let result_of_query = builder.query(
             None,
             Key::Account(*DEFAULT_ACCOUNT_ADDR),
-            &[KEY.to_string()],
+            &[KEY_NAME.to_string()],
         );
         assert!(result_of_query.is_err());
 
@@ -79,7 +54,11 @@ mod tests {
 
         // make assertions
         let result_of_query = builder
-            .query(None, Key::Account(account_addr), &[KEY.to_string()])
+            .query(
+                None,
+                Key::Account(*DEFAULT_ACCOUNT_ADDR),
+                &[KEY_NAME.to_string()],
+            )
             .expect("should be stored value.")
             .as_cl_value()
             .expect("should be cl value.")
@@ -92,16 +71,12 @@ mod tests {
 
     #[test]
     fn should_error_on_missing_runtime_arg() {
-        let secret_key = SecretKey::ed25519_from_bytes(MY_ACCOUNT).unwrap();
-        let public_key = PublicKey::from(&secret_key);
-        let account_addr = AccountHash::from(&public_key);
-
         let session_code = PathBuf::from(CONTRACT_WASM);
         let session_args = RuntimeArgs::new();
 
         let deploy_item = DeployItemBuilder::new()
             .with_empty_payment_bytes(runtime_args! {ARG_AMOUNT => *DEFAULT_PAYMENT})
-            .with_authorization_keys(&[account_addr])
+            .with_authorization_keys(&[*DEFAULT_ACCOUNT_ADDR])
             .with_address(*DEFAULT_ACCOUNT_ADDR)
             .with_session_code(session_code, session_args)
             .build();
@@ -109,8 +84,21 @@ mod tests {
         let execute_request = ExecuteRequestBuilder::from_deploy_item(deploy_item).build();
 
         let mut builder = InMemoryWasmTestBuilder::default();
-        builder.run_genesis(&DEFAULT_RUN_GENESIS_REQUEST).commit();
+        builder
+            .run_genesis(&PRODUCTION_RUN_GENESIS_REQUEST)
+            .commit();
         builder.exec(execute_request).commit().expect_failure();
+
+        let actual_error = builder.get_error().expect("must have error");
+        assert!(
+            matches!(
+                actual_error,
+                EngineStateError::Exec(execution::Error::Revert(ApiError::MissingArgument))
+            ),
+            "Expected {:?}, received {:?}",
+            EngineStateError::Exec(execution::Error::Revert(ApiError::MissingArgument)),
+            actual_error
+        );
     }
 }