diff --git a/Cargo.toml b/Cargo.toml
index 72f4598..8b7b7c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ description = "Sway token standard SRC-20 rust sdk"
 
 [dependencies]
 dotenv = "0.15.0"
-fuels = { version = "0.55.0", features = ["fuel-core-lib"] }
+fuels = { version = "0.60.0", features = ["fuel-core-lib"] }
 rand = "0.8.5"
 serde = "1.0.197"
 serde_json = "1.0.114"
diff --git a/contract/Forc.lock b/contract/Forc.lock
index 380cec9..b698b31 100644
--- a/contract/Forc.lock
+++ b/contract/Forc.lock
@@ -1,41 +1,35 @@
-[[package]]
-name = "asset"
-source = "git+https://github.com/FuelLabs/sway-libs?tag=v0.19.0#dcbbec000a9051e71c0c21f4b720eebbb55c199a"
-dependencies = [
-    "src7",
-    "std",
-]
-
 [[package]]
 name = "core"
-source = "path+from-root-566CA1D5F8BEAFBF"
+source = "path+from-root-CC7184DF2EE4172B"
 
 [[package]]
-name = "src20"
-source = "git+https://github.com/FuelLabs/sway-standards?tag=v0.3.3#4198b4b07449ad16104cc8a0501f3013670fdcfd"
+name = "standards"
+source = "git+https://github.com/FuelLabs/sway-standards?tag=v0.4.1#0a6f3ba0bce036a0ce61f15ed4480c71af32d3aa"
 dependencies = ["std"]
 
 [[package]]
-name = "src3"
-source = "git+https://github.com/FuelLabs/sway-standards?tag=v0.3.3#4198b4b07449ad16104cc8a0501f3013670fdcfd"
-dependencies = ["std"]
-
-[[package]]
-name = "src7"
-source = "git+https://github.com/FuelLabs/sway-standards?tag=v0.3.3#4198b4b07449ad16104cc8a0501f3013670fdcfd"
+name = "standards"
+source = "git+https://github.com/FuelLabs/sway-standards?tag=v0.4.3#6f63eb7dff2458a7d976184e565b5cbf26f61da2"
 dependencies = ["std"]
 
 [[package]]
 name = "std"
-source = "git+https://github.com/fuellabs/sway?tag=v0.49.3#0dc6570377ee9c4a6359ade597fa27351e02a728"
+source = "git+https://github.com/fuellabs/sway?rev#850a2c48ddac019aa04bf7f5c1319381edc53fea"
 dependencies = ["core"]
 
+[[package]]
+name = "sway_libs"
+source = "git+https://github.com/FuelLabs/sway-libs?tag=v0.21.0#6a227ed34c86fe1ebd334dbdfeccf66c43e3915b"
+dependencies = [
+    "standards git+https://github.com/FuelLabs/sway-standards?tag=v0.4.3#6f63eb7dff2458a7d976184e565b5cbf26f61da2",
+    "std",
+]
+
 [[package]]
 name = "token"
 source = "member"
 dependencies = [
-    "asset",
-    "src20",
-    "src3",
+    "standards git+https://github.com/FuelLabs/sway-standards?tag=v0.4.1#0a6f3ba0bce036a0ce61f15ed4480c71af32d3aa",
     "std",
+    "sway_libs",
 ]
diff --git a/contract/Forc.toml b/contract/Forc.toml
index cc880b7..6474823 100644
--- a/contract/Forc.toml
+++ b/contract/Forc.toml
@@ -5,6 +5,5 @@ license = "Apache-2.0"
 name = "token"
 
 [dependencies]
-asset = { git = "https://github.com/FuelLabs/sway-libs", tag = "v0.19.0" }
-src20 = { git = "https://github.com/FuelLabs/sway-standards", tag = "v0.3.3" }
-src3 = { git = "https://github.com/FuelLabs/sway-standards", tag = "v0.3.3"}
+sway_libs = { git = "https://github.com/FuelLabs/sway-libs", tag = "v0.21.0" }
+standards = { git = "https://github.com/FuelLabs/sway-standards", tag = "v0.4.1" }
diff --git a/contract/out/debug/token-abi.json b/contract/out/debug/token-abi.json
index 1576f2b..b308e43 100644
--- a/contract/out/debug/token-abi.json
+++ b/contract/out/debug/token-abi.json
@@ -1,4 +1,5 @@
 {
+  "encoding": "1",
   "types": [
     {
       "typeId": 0,
@@ -77,7 +78,7 @@
       "type": "struct Address",
       "components": [
         {
-          "name": "value",
+          "name": "bits",
           "type": 1,
           "typeArguments": null
         }
@@ -89,7 +90,7 @@
       "type": "struct AssetId",
       "components": [
         {
-          "name": "value",
+          "name": "bits",
           "type": 1,
           "typeArguments": null
         }
@@ -118,7 +119,7 @@
       "type": "struct ContractId",
       "components": [
         {
-          "name": "value",
+          "name": "bits",
           "type": 1,
           "typeArguments": null
         }
@@ -321,6 +322,10 @@
         "typeArguments": null
       },
       "attributes": [
+        {
+          "name": "payable",
+          "arguments": []
+        },
         {
           "name": "storage",
           "arguments": [
@@ -373,6 +378,14 @@
         "type": 2,
         "typeArguments": []
       }
+    },
+    {
+      "logId": 1,
+      "loggedType": {
+        "name": "",
+        "type": 2,
+        "typeArguments": []
+      }
     }
   ],
   "messagesTypes": [],
diff --git a/contract/out/debug/token.bin b/contract/out/debug/token.bin
index 43e4ddc..7098714 100644
Binary files a/contract/out/debug/token.bin and b/contract/out/debug/token.bin differ
diff --git a/contract/src/main.sw b/contract/src/main.sw
index 5bb9df8..42c313a 100644
--- a/contract/src/main.sw
+++ b/contract/src/main.sw
@@ -1,15 +1,15 @@
 contract;
 
-use asset::base::{
+use sway_libs::asset::base::{
     _total_assets, 
     _total_supply,
     _name,
     _symbol,
     _decimals
 };
-use asset::mint::{_mint, _burn};
-use src20::SRC20;
-use src3::SRC3;
+use sway_libs::asset::supply::{_mint, _burn};
+use standards::src20::SRC20;
+use standards::src3::SRC3;
 use std::{hash::{Hash, sha256}, string::String, storage::storage_string::*};
 storage {
     total_assets: u64 = 0,
@@ -52,6 +52,7 @@ impl SRC3 for Contract {
         let _asset_id = _mint(storage.total_assets, storage.total_supply, recipient, sub_id, amount);
     }
 
+    #[payable]
     #[storage(read, write)]
     fn burn(sub_id: SubId, amount: u64) {
         _burn(storage.total_supply, sub_id, amount);
diff --git a/src/constants.rs b/src/constants.rs
index 6f9d16e..7fa100d 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -1,4 +1,4 @@
-pub const RPC: &str = "beta-5.fuel.network";
+pub const RPC: &str = "devnet.fuel.network";
 
 pub const TOKEN_CONTRACT_ID: &str =
     "0x6bd9643c9279204b474a778dea7f923226060cb94a4c61c5aae015cf96b5aad2";
\ No newline at end of file
diff --git a/src/token_utils.rs b/src/token_utils.rs
index dae6be3..2a60c76 100644
--- a/src/token_utils.rs
+++ b/src/token_utils.rs
@@ -26,7 +26,7 @@ pub struct Asset {
     pub asset_id: AssetId,
     pub decimals: u64,
     pub symbol: String,
-    pub token_contract_instance: Option<TokenContract<WalletUnlocked>>,
+    pub token_contract: TokenContract<WalletUnlocked>,
 }
 
 impl Asset {
@@ -36,13 +36,11 @@ impl Asset {
         amount: u64,
     ) -> Result<FuelCallResponse<()>, fuels::types::errors::Error> {
         let symbol_hash = get_symbol_hash(&self.symbol);
-        self.token_contract_instance
-            .as_ref()
-            .unwrap()
+        self.token_contract
             .methods()
             .mint(Identity::Address(recipient), symbol_hash, amount)
             .append_variable_outputs(1)
-            .with_tx_policies(TxPolicies::default().with_gas_price(1))
+            .with_tx_policies(TxPolicies::default().with_tip(1))
             .call()
             .await
     }
@@ -69,7 +67,7 @@ impl Asset {
             asset_id,
             decimals: config.decimals,
             symbol: config.symbol,
-            token_contract_instance: Option::Some(instance),
+            token_contract: instance,
         }
     }
 }
@@ -83,7 +81,7 @@ pub async fn deploy_token_contract(wallet: &WalletUnlocked) -> TokenContract<Wal
     let id = Contract::load_from(bin_path, config)
         .unwrap()
         .with_salt(salt)
-        .deploy(wallet, TxPolicies::default().with_gas_price(1))
+        .deploy(wallet, TxPolicies::default().with_tip(1))
         .await
         .unwrap();
     let instance = TokenContract::new(id.clone(), wallet.clone());
diff --git a/tests/harness.rs b/tests/harness.rs
index 44d68ee..5b25045 100644
--- a/tests/harness.rs
+++ b/tests/harness.rs
@@ -15,8 +15,8 @@ async fn main_test() {
     let admin = &wallets[0];
     let alice = &wallets[1];
 
-    let token_contarct = deploy_token_contract(&admin).await;
-    let usdc = Asset::new(admin.clone(), token_contarct.contract_id().into(), "USDC");
+    let token_contract = deploy_token_contract(&admin).await;
+    let usdc = Asset::new(admin.clone(), token_contract.contract_id().into(), "USDC");
 
     usdc.mint(alice.address().into(), usdc.parse_units(1000.0) as u64)
         .await