diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index f9fe552..27d4df4 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -10,9 +10,9 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [7.3, 7.4]
+                php: [7.4]
                 laravel: [6.*, 7.*, 8.*]
-                dependency-version: [prefer-lowest, prefer-stable]
+                dependency-version: [prefer-stable]
                 include:
                     -   laravel: 8.*
                         testbench: 6.*
diff --git a/.phpunit.result.cache b/.phpunit.result.cache
index 200bbc8..203b1ea 100644
--- a/.phpunit.result.cache
+++ b/.phpunit.result.cache
@@ -1 +1 @@
-C:37:"PHPUnit\Runner\DefaultTestResultCache":997:{a:2:{s:7:"defects";a:5:{s:42:"Gathuku\Mpesa\Tests\BaseTest::true_is_true";i:4;s:55:"Gathuku\Mpesa\Tests\Unit\InstallMpesaTest::true_is_true";i:4;s:57:"Gathuku\Mpesa\Tests\Unit\MpesaAuthTokenTest::true_is_true";i:4;s:47:"Gathuku\Mpesa\Tests\Unit\MpesaB2CTest::test_b2c";i:3;s:61:"Gathuku\Mpesa\Tests\Unit\MpesaExpressTest::test_mpesa_express";i:3;}s:5:"times";a:9:{s:42:"Gathuku\Mpesa\Tests\BaseTest::true_is_true";d:1.556;s:55:"Gathuku\Mpesa\Tests\Unit\InstallMpesaTest::true_is_true";d:0.14;s:57:"Gathuku\Mpesa\Tests\Unit\MpesaAuthTokenTest::true_is_true";d:0.14;s:60:"Gathuku\Mpesa\Tests\Unit\MpesaRegisterUrlsTest::true_is_true";d:0.152;s:47:"Gathuku\Mpesa\Tests\Unit\MpesaB2CTest::test_b2c";d:3.461;s:51:"Gathuku\Mpesa\Tests\Unit\MpesaB2CTest::true_is_true";d:0.146;s:61:"Gathuku\Mpesa\Tests\Unit\MpesaExpressTest::test_mpesa_express";d:12.852;s:55:"Gathuku\Mpesa\Tests\Unit\MpesaExpressTest::true_is_true";d:0.148;s:60:"Gathuku\Mpesa\Tests\Unit\MpesaSimeulateC2BTest::true_is_true";d:0.142;}}}
\ No newline at end of file
+C:37:"PHPUnit\Runner\DefaultTestResultCache":998:{a:2:{s:7:"defects";a:5:{s:42:"Gathuku\Mpesa\Tests\BaseTest::true_is_true";i:4;s:55:"Gathuku\Mpesa\Tests\Unit\InstallMpesaTest::true_is_true";i:4;s:57:"Gathuku\Mpesa\Tests\Unit\MpesaAuthTokenTest::true_is_true";i:4;s:47:"Gathuku\Mpesa\Tests\Unit\MpesaB2CTest::test_b2c";i:3;s:61:"Gathuku\Mpesa\Tests\Unit\MpesaExpressTest::test_mpesa_express";i:5;}s:5:"times";a:9:{s:42:"Gathuku\Mpesa\Tests\BaseTest::true_is_true";d:0.164;s:55:"Gathuku\Mpesa\Tests\Unit\InstallMpesaTest::true_is_true";d:0.003;s:57:"Gathuku\Mpesa\Tests\Unit\MpesaAuthTokenTest::true_is_true";d:0.003;s:60:"Gathuku\Mpesa\Tests\Unit\MpesaRegisterUrlsTest::true_is_true";d:0.004;s:47:"Gathuku\Mpesa\Tests\Unit\MpesaB2CTest::test_b2c";d:0.846;s:51:"Gathuku\Mpesa\Tests\Unit\MpesaB2CTest::true_is_true";d:0.004;s:61:"Gathuku\Mpesa\Tests\Unit\MpesaExpressTest::test_mpesa_express";d:2.148;s:55:"Gathuku\Mpesa\Tests\Unit\MpesaExpressTest::true_is_true";d:0.004;s:60:"Gathuku\Mpesa\Tests\Unit\MpesaSimeulateC2BTest::true_is_true";d:0.003;}}}
\ No newline at end of file
diff --git a/src/Mpesa.php b/src/Mpesa.php
index 85bf1fc..d373ce8 100644
--- a/src/Mpesa.php
+++ b/src/Mpesa.php
@@ -96,9 +96,9 @@ class Mpesa
     public function __construct()
     {
         if (config('mpesa.mpesa_env')=='sandbox') {
-            $this->base_url = 'https://sandbox.safaricom.co.ke/mpesa/';
+            $this->base_url = 'https://sandbox.safaricom.co.ke';
         } else {
-            $this->base_url = 'https://api.safaricom.co.ke/mpesa/';
+            $this->base_url = 'https://api.safaricom.co.ke';
         }
         //Base URL for the API endpoints. This is basically the 'common' part of the API endpoints
          $this->consumer_key = config('mpesa.consumer_key'); 	//App Key. Get it at https://developer.safaricom.co.ke
@@ -150,7 +150,7 @@ public function getAccessToken()
     {
         $credentials = base64_encode($this->consumer_key.':'.$this->consumer_secret);
         $ch = curl_init();
-        curl_setopt($ch, CURLOPT_URL, 'https://sandbox.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials');
+        curl_setopt($ch, CURLOPT_URL, $this->base_url.'/oauth/v1/generate?grant_type=client_credentials');
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
         curl_setopt($ch, CURLOPT_HTTPHEADER, array('Authorization: Basic '.$credentials, 'Content-Type: application/json'));
         $response = curl_exec($ch);
@@ -221,7 +221,7 @@ public function b2c($amount, $phone, $command_id, $remarks)
             'Occasion' => '' //Optional
         );
         $data = json_encode($request_data);
-        $url = $this->base_url.'b2c/v1/paymentrequest';
+        $url = $this->base_url.'/mpesa/b2c/v1/paymentrequest';
         $response = $this->submit_request($url, $data);
         return $response;
     }
@@ -253,7 +253,7 @@ public function b2b($amount, $shortcode)
             'ResultURL' => $this->bbresult,
         );
         $data = json_encode($request_data);
-        $url = $this->base_url.'b2b/v1/paymentrequest';
+        $url = $this->base_url.'/mpesa/b2b/v1/paymentrequest';
         $response = $this->submit_request($url, $data);
         return $response;
     }
@@ -279,7 +279,7 @@ public function c2bRegisterUrls()
         $data = json_encode($request_data);
         //header('Content-Type: application/json');
 
-        $url = $this->base_url.'c2b/v1/registerurl';
+        $url = $this->base_url.'/mpesa/c2b/v1/registerurl';
         $response = $this->submit_request($url, $data);
         //\Log::info($response);
         return $response;
@@ -306,7 +306,7 @@ public function simulateC2B($amount, $msisdn, $ref)
             'BillRefNumber' => $ref
         );
         $data = json_encode($data);
-        $url = $this->base_url.'c2b/v1/simulate';
+        $url = $this->base_url.'/c2b/v1/simulate';
         $response = $this->submit_request($url, $data);
         return $response;
     }
@@ -331,7 +331,7 @@ public function check_balance()
             'ResultURL' => $this->balresult
         );
         $data = json_encode($data);
-        $url = $this->base_url.'accountbalance/v1/query';
+        $url = $this->base_url.'/mpesa/accountbalance/v1/query';
         $response = $this->submit_request($url, $data);
         return $response;
     }
@@ -360,7 +360,7 @@ public function status_request($transaction = 'LH7819VXPE')
             'Occassion' => 'Test'
         );
         $data = json_encode($data);
-        $url = $this->base_url.'transactionstatus/v1/query';
+        $url = $this->base_url.'/mpesa/transactionstatus/v1/query';
         $response = $this->submit_request($url, $data);
         return $response;
     }
@@ -391,7 +391,7 @@ public function reverse_transaction($receiver, $trx_id, $amount)
             'TransactionID' => 'LIE81C8EFI'
         );
         $data = json_encode($data);
-        $url = $this->base_url.'reversal/v1/request';
+        $url = $this->base_url.'/mpesa/reversal/v1/request';
         $response = $this->submit_request($url, $data);
         return $response;
     }
@@ -424,7 +424,7 @@ public function express($amount, $phone, $ref = "Payment", $desc="Payment")
             'TransactionDesc' => $desc,
         );
         $data = json_encode($data);
-        $url = $this->base_url.'stkpush/v1/processrequest';
+        $url = $this->base_url.'/mpesa/stkpush/v1/processrequest';
         $response = $this->submit_request($url, $data);
 
         if (isset($response)) {
@@ -458,7 +458,7 @@ private function lnmoQuery($checkoutRequestID = null)
             'CheckoutRequestID' => $checkoutRequestID
         );
         $data = json_encode($data);
-        $url = $this->base_url.'stkpushquery/v1/query';
+        $url = $this->base_url.'/mpesa/stkpushquery/v1/query';
         $response = $this->submit_request($url, $data);
         return $response;
     }