diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index 71157152..92f3bb1c 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -8,9 +8,9 @@ edition = "2018"
 anyhow = "1.0"
 maplit = "1.0"
 near-units = "0.2.0"
-near-gas = { version = "0.2.5", features = ["serde", "borsh", "schemars"] }
-near-jsonrpc-primitives = "0.23.0"
-near-primitives = "0.23.0"
+near-gas = { version = "0.3", features = ["serde", "borsh", "schemars"] }
+near-jsonrpc-primitives = "0.24"
+near-primitives = "0.24"
 serde = "1.0"
 serde_with = "3.4"
 serde_json = { version = "1.0" }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 00000000..1deb8306
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,7 @@
+[toolchain]
+# This specifies the version of Rust we use to build.
+# Individual crates in the workspace may support a lower version, as indicated by `rust-version` field in each crate's `Cargo.toml`.
+# The version specified below, should be at least as high as the maximum `rust-version` within the workspace.
+channel = "stable"
+components = ["rustfmt", "clippy", "rust-analyzer"]
+targets = ["wasm32-unknown-unknown"]
diff --git a/workspaces/Cargo.toml b/workspaces/Cargo.toml
index 219ad32b..b54ab107 100644
--- a/workspaces/Cargo.toml
+++ b/workspaces/Cargo.toml
@@ -14,7 +14,7 @@ async-trait = "0.1"
 base64 = "0.22"
 bs58 = "0.5"
 cargo_metadata = { version = "0.18", optional = true }
-cargo-near = { version = "0.6.3", default-features = false }
+cargo-near = { version = "0.8", default-features = false }
 chrono = "0.4.19"
 fs2 = "0.4"
 rand = "0.8.4"
@@ -31,19 +31,19 @@ tracing = "0.1"
 url = { version = "2.2.2", features = ["serde"] }
 
 near-abi-client = "0.1.1"
-near-gas = { version = "0.2.5", features = ["serde", "borsh", "schemars"] }
-near-token = { version = "0.2.0", features = ["serde"] }
-near-sdk = { version = "5.2.0", optional = true }
+near-gas = { version = "0.3", features = ["serde", "borsh", "schemars"] }
+near-token = { version = "0.3", features = ["serde"] }
+near-sdk = { version = "5.3", optional = true }
 near-account-id = "1.0.0"
-near-crypto = "0.23.0"
-near-primitives = "0.23.0"
-near-jsonrpc-primitives = "0.23.0"
-near-jsonrpc-client = { version = "0.10.1", features = ["sandbox"] }
-near-sandbox-utils = "0.9.0"
-near-chain-configs = { version = "0.23.0", optional = true }
+near-crypto = "0.24"
+near-primitives = "0.24"
+near-jsonrpc-primitives = "0.24"
+near-jsonrpc-client = { version = "0.11", features = ["sandbox"] }
+near-sandbox-utils = "0.10"
+near-chain-configs = { version = "0.24", optional = true }
 
 [build-dependencies]
-near-sandbox-utils = "0.8.0"
+near-sandbox-utils = "0.10"
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2"
@@ -51,7 +51,7 @@ libc = "0.2"
 [dev-dependencies]
 anyhow = "1.0"
 futures = "0.3"
-near-sdk = "5.2.0"
+near-sdk = "5.3"
 test-log = { version = "0.2.8", default-features = false, features = ["trace"] }
 tracing-subscriber = { version = "0.3.5", features = ["env-filter"] }
 
diff --git a/workspaces/src/cargo/mod.rs b/workspaces/src/cargo/mod.rs
index 58558263..325e1ebd 100644
--- a/workspaces/src/cargo/mod.rs
+++ b/workspaces/src/cargo/mod.rs
@@ -1,7 +1,5 @@
 use crate::error::ErrorKind;
 
-use cargo_near::commands::build_command::{build, BuildCommand};
-
 /// Builds the cargo project located at `project_path` and returns the generated wasm file contents.
 ///
 /// NOTE: This function does not check whether the resulting wasm file is a valid smart
@@ -16,9 +14,10 @@ pub async fn compile_project(project_path: &str) -> crate::Result<Vec<u8>> {
         _ => ErrorKind::Io.custom(e),
     })?;
 
-    let cargo_near_build_command = BuildCommand {
+    let cargo_opts = cargo_near::BuildOpts {
         no_release: false,
         no_embed_abi: false,
+        no_locked: true,
         no_doc: true,
         color: None,
         no_abi: true,
@@ -38,8 +37,7 @@ pub async fn compile_project(project_path: &str) -> crate::Result<Vec<u8>> {
         no_default_features: false,
     };
 
-    let compile_artifact =
-        build::run(cargo_near_build_command).map_err(|e| ErrorKind::Io.custom(e))?;
+    let compile_artifact = cargo_near::build(cargo_opts).map_err(|e| ErrorKind::Io.custom(e))?;
 
     let file = compile_artifact
         .path
diff --git a/workspaces/src/rpc/client.rs b/workspaces/src/rpc/client.rs
index f61356fc..f4a655e0 100644
--- a/workspaces/src/rpc/client.rs
+++ b/workspaces/src/rpc/client.rs
@@ -47,6 +47,7 @@ use crate::{Network, Worker};
 
 pub(crate) const DEFAULT_CALL_FN_GAS: NearGas = NearGas::from_tgas(10);
 pub(crate) const DEFAULT_CALL_DEPOSIT: NearToken = NearToken::from_near(0);
+pub(crate) const DEFAULT_PRIORITY_FEE: u64 = 0;
 
 /// A client that wraps around [`JsonRpcClient`], and provides more capabilities such
 /// as retry w/ exponential backoff and utility functions for sending transactions.
@@ -96,7 +97,7 @@ impl Client {
                         tracing::info!(
                             target: "workspaces",
                             "Submitting transaction with actions {:?} succeeded with status {:?}",
-                            method.signed_transaction.transaction.actions,
+                            method.signed_transaction.transaction.actions(),
                             response.status
                         );
                     }
@@ -560,8 +561,11 @@ pub(crate) async fn send_batch_tx_and_retry(
     receiver_id: &AccountId,
     actions: Vec<Action>,
 ) -> Result<FinalExecutionOutcomeView> {
-    let signer = signer.inner();
-    let cache_key = (signer.account_id.clone(), signer.secret_key.public_key());
+    let inner = signer.inner();
+    let cache_key = (
+        signer.account_id.clone(),
+        signer.secret_key.public_key().into(),
+    );
     retry(|| async {
         let (block_hash, nonce) = fetch_tx_nonce(client, &cache_key).await?;
         send_tx(
@@ -571,9 +575,10 @@ pub(crate) async fn send_batch_tx_and_retry(
                 nonce,
                 signer.account_id.clone(),
                 receiver_id.clone(),
-                &signer as &dyn near_crypto::Signer,
+                &inner,
                 actions.clone(),
                 block_hash,
+                DEFAULT_PRIORITY_FEE,
             ),
         )
         .await
@@ -587,8 +592,11 @@ pub(crate) async fn send_batch_tx_async_and_retry(
     receiver_id: &AccountId,
     actions: Vec<Action>,
 ) -> Result<TransactionStatus> {
-    let signer = &signer.inner();
-    let cache_key = (signer.account_id.clone(), signer.secret_key.public_key());
+    let inner = signer.inner();
+    let cache_key = (
+        signer.account_id.clone(),
+        signer.secret_key.public_key().into(),
+    );
     retry(|| async {
         let (block_hash, nonce) = fetch_tx_nonce(worker.client(), &cache_key).await?;
         let hash = worker
@@ -598,9 +606,10 @@ pub(crate) async fn send_batch_tx_async_and_retry(
                     nonce,
                     signer.account_id.clone(),
                     receiver_id.clone(),
-                    signer as &dyn near_crypto::Signer,
+                    &inner,
                     actions.clone(),
                     block_hash,
+                    DEFAULT_PRIORITY_FEE,
                 ),
             })
             .await
diff --git a/workspaces/src/types/mod.rs b/workspaces/src/types/mod.rs
index 192ff5bc..66e02442 100644
--- a/workspaces/src/types/mod.rs
+++ b/workspaces/src/types/mod.rs
@@ -17,6 +17,7 @@ use std::path::Path;
 use std::str::FromStr;
 
 pub use near_account_id::AccountId;
+use near_crypto::Signer;
 use near_primitives::borsh::{BorshDeserialize, BorshSerialize};
 
 use serde::{Deserialize, Serialize};
@@ -292,11 +293,11 @@ impl InMemorySigner {
         ))
     }
 
-    pub(crate) fn inner(&self) -> near_crypto::InMemorySigner {
-        near_crypto::InMemorySigner::from_secret_key(
+    pub(crate) fn inner(&self) -> Signer {
+        Signer::InMemory(near_crypto::InMemorySigner::from_secret_key(
             self.account_id.clone(),
             self.secret_key.0.clone(),
-        )
+        ))
     }
 }
 
diff --git a/workspaces/tests/test-contracts/status-message/Cargo.toml b/workspaces/tests/test-contracts/status-message/Cargo.toml
index 28c24cec..a723eb69 100644
--- a/workspaces/tests/test-contracts/status-message/Cargo.toml
+++ b/workspaces/tests/test-contracts/status-message/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-near-sdk = "5.0.0-alpha.2"
+near-sdk = "5.3.0"
 
 [profile.release]
 codegen-units = 1
diff --git a/workspaces/tests/test-contracts/type-serialize/Cargo.toml b/workspaces/tests/test-contracts/type-serialize/Cargo.toml
index 5389347f..17b287e5 100644
--- a/workspaces/tests/test-contracts/type-serialize/Cargo.toml
+++ b/workspaces/tests/test-contracts/type-serialize/Cargo.toml
@@ -9,7 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 bs58 = "0.5"
-near-sdk = "5.0.0-alpha.2"
+near-sdk = "5.3.0"
 
 [profile.release]
 codegen-units = 1