diff --git a/.gitignore b/.gitignore
index eb5a316..b1e298f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 target
+Scarb.lock
diff --git a/.snfoundry_cache/.prev_tests_failed b/.snfoundry_cache/.prev_tests_failed
new file mode 100644
index 0000000..1d7b2ef
--- /dev/null
+++ b/.snfoundry_cache/.prev_tests_failed
@@ -0,0 +1 @@
+tokengiver_integrationtest::test_withdraw::test_withdrawal_flow
diff --git a/.tool-versions b/.tool-versions
index d54b39c..84a4307 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
 starknet-foundry 0.31.0
-scarb 2.8.3
\ No newline at end of file
+scarb 2.8.2
\ No newline at end of file
diff --git a/Scarb.lock b/Scarb.lock
deleted file mode 100644
index 4a8a52b..0000000
--- a/Scarb.lock
+++ /dev/null
@@ -1,26 +0,0 @@
-# Code generated by scarb DO NOT EDIT.
-version = 1
-
-[[package]]
-name = "openzeppelin"
-version = "0.12.0"
-source = "git+https://github.com/OpenZeppelin/cairo-contracts.git?tag=v0.12.0#0697004db74502ce49900edef37331dd03531356"
-
-[[package]]
-name = "snforge_std"
-version = "0.22.0"
-source = "git+https://github.com/foundry-rs/starknet-foundry?tag=v0.22.0#9b215944c6c5871c738381b4ded61bbf06e7ba35"
-
-[[package]]
-name = "token_bound_accounts"
-version = "0.3.0"
-source = "git+https://github.com/Starknet-Africa-Edu/TBA?tag=v0.3.0#1f8b5e3c45422fb188ef2cf874b46d02f642973b"
-
-[[package]]
-name = "tokengiver"
-version = "0.1.0"
-dependencies = [
- "openzeppelin",
- "snforge_std",
- "token_bound_accounts",
-]
diff --git a/src/base/errors.cairo b/src/base/errors.cairo
index 0d1bcf7..ecee6fa 100644
--- a/src/base/errors.cairo
+++ b/src/base/errors.cairo
@@ -7,4 +7,5 @@ pub mod Errors {
     pub const INITIALIZED: felt252 = 'TGN: already initialized!';
     pub const INVALID_OWNER: felt252 = 'TGN: caller is not owner!';
     pub const INVALID_CAMPAIGN: felt252 = 'TGN: campaign is not owner!';
+    pub const INSUFFICIENT_BALANCE: felt252 = 'TGN: insufficient balance!';
 }
diff --git a/src/campaign.cairo b/src/campaign.cairo
index 94e2d08..08a7c0a 100644
--- a/src/campaign.cairo
+++ b/src/campaign.cairo
@@ -20,7 +20,7 @@ mod TokengiverCampaign {
     use tokengiver::interfaces::IERC721::{IERC721Dispatcher, IERC721DispatcherTrait};
     use tokengiver::interfaces::ICampaign::ICampaign;
     use tokengiver::base::types::Campaign;
-    use tokengiver::base::errors::Errors::NOT_CAMPAIGN_OWNER;
+    use tokengiver::base::errors::Errors::{NOT_CAMPAIGN_OWNER, INSUFFICIENT_BALANCE};
     use openzeppelin::token::erc20::interface::{IERC20Dispatcher, IERC20DispatcherTrait};
 
 
@@ -43,7 +43,7 @@ mod TokengiverCampaign {
         donations: Map<ContractAddress, u256>,
         donation_count: Map<ContractAddress, u16>,
         donation_details: Map<ContractAddress, DonationDetails>,
-        erc20_token: ContractAddress,
+        erc20_token: ContractAddress, // STRerc20 address
         token_giver_nft_class_hash: ClassHash,
     }
 
@@ -151,6 +151,23 @@ mod TokengiverCampaign {
             self.withdrawal_balance.write(campaign_address, amount);
         }
 
+        // withdraw function
+        fn withdraw(ref self: ContractState, campaign_address: ContractAddress, amount: u256) {
+            let campaign: Campaign = self.campaign.read(campaign_address);
+            let caller: ContractAddress = get_caller_address();
+
+            assert(caller == campaign.campaign_owner, NOT_CAMPAIGN_OWNER);
+
+            let available_balance: u256 = self.withdrawal_balance.read(campaign_address);
+            assert(amount <= available_balance, INSUFFICIENT_BALANCE);
+
+            let token_address = self.erc20_token.read();
+            let token_dispatcher = IERC20Dispatcher { contract_address: token_address };
+            let transfer_result = token_dispatcher.transfer(caller, amount);
+            assert!(transfer_result, "Transfer failed");
+            self.withdrawal_balance.write(campaign_address, available_balance - amount);
+        }
+
         // *************************************************************************
         //                            GETTERS
         // *************************************************************************
@@ -178,7 +195,6 @@ mod TokengiverCampaign {
             campaign.metadata_URI
         }
 
-
         fn get_campaigns(self: @ContractState) -> Array<ByteArray> {
             let mut campaigns = ArrayTrait::new();
             let count = self.count.read();
diff --git a/src/interfaces/ICampaign.cairo b/src/interfaces/ICampaign.cairo
index a6754ea..d69f09b 100644
--- a/src/interfaces/ICampaign.cairo
+++ b/src/interfaces/ICampaign.cairo
@@ -21,7 +21,7 @@ pub trait ICampaign<TState> {
     fn set_available_withdrawal(ref self: TState, campaign_address: ContractAddress, amount: u256);
     fn set_donations(ref self: TState, campaign_address: ContractAddress, amount: u256);
     fn donate(ref self: TState, campaign_address: ContractAddress, amount: u256, token_id: u256);
-
+    fn withdraw(ref self: TState, campaign_address: ContractAddress, amount: u256);
 
     // Getters
     fn get_campaign_metadata(self: @TState, campaign_address: ContractAddress) -> ByteArray;