diff --git a/README.md b/README.md
index d0bcfaa..eaf3ac1 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@
             * [Enable a customer](#enable-a-customer)
             * [Disable a customer](#disable-a-customer)
             * [List a customer's packages](#list-a-customers-packages)
+            * [Show a customer's package](#show-a-customers-package)
             * [Grant a customer access to a package or edit the limitations](#grant-a-customer-access-to-a-package-or-edit-the-limitations)
             * [Revoke access to a package from a customer](#revoke-access-to-a-package-from-a-customer)
             * [Regenerate a customer's Composer repository token](#regenerate-a-customers-composer-repository-token)
@@ -107,7 +108,7 @@
          * [Validate incoming webhook payloads](#validate-incoming-webhook-payloads)
       * [License](#license)
 
-<!-- Added by: glaubinix, at: Thu 13 Jan 2022 13:34:48 GMT -->
+<!-- Added by: zanbaldwin, at: Thu 18 Aug 12:50:05 CEST 2022 -->
 
 <!--te-->
 
@@ -286,6 +287,14 @@ $packages = $client->customers()->listPackages($customerId);
 ```
 Returns an array of customer packages.
 
+#### Show a customer's package
+```php
+$customerId = 42;
+$package = $client->customers()->showPackage($customerId, $packageName);
+$accessibleVersions = $package['versions'];
+```
+Returns a customer's package, including the versions that the customer has been granted access to.
+
 #### Grant a customer access to a package or edit the limitations
 ```php
 $customerId = 42;
@@ -508,7 +517,7 @@ $mirroredRepository = $client->subrepositories()->mirroredRepositories()->add($s
 ```
 Returns a list of added mirrored repositories.
 
-#### Edit the mirroring behaviour of mirrored repository in a subrepository 
+#### Edit the mirroring behaviour of mirrored repository in a subrepository
 ```php
 $subrepositoryName = 'subrepository';
 $mirroredRepositoryId = 42;
@@ -845,7 +854,7 @@ When you create or update a webhook in Private Packagist an optional secret can
 $request = /** any Psr7 request */;
 $secret = 'webhook-secret';
 $webhookSignature = new \PrivatePackagist\ApiClient\WebhookSignature($secret);
-$requestSignature = $request->hasHeader('Packagist-Signature') ? $request->getHeader('Packagist-Signature')[0] : null; 
+$requestSignature = $request->hasHeader('Packagist-Signature') ? $request->getHeader('Packagist-Signature')[0] : null;
 $webhookSignature->validate($requestSignature, (string) $request->getBody());
 ```
 
diff --git a/src/Api/Customers.php b/src/Api/Customers.php
index f98c4ee..0d1abb5 100644
--- a/src/Api/Customers.php
+++ b/src/Api/Customers.php
@@ -71,6 +71,11 @@ public function listPackages($customerIdOrUrlName)
         return $this->get(sprintf('/customers/%s/packages/', $customerIdOrUrlName));
     }
 
+    public function showPackage($customerIdOrUrlName, $packageName)
+    {
+        return $this->get(sprintf('/customers/%s/packages/%s/', $customerIdOrUrlName, $packageName));
+    }
+
     /**
      * @deprecated Use addOrEditPackages instead
      */
diff --git a/tests/Api/CustomersTest.php b/tests/Api/CustomersTest.php
index be0ce7c..e9a9755 100644
--- a/tests/Api/CustomersTest.php
+++ b/tests/Api/CustomersTest.php
@@ -203,6 +203,34 @@ public function testListPackages()
         $this->assertSame($expected, $api->listPackages(1));
     }
 
+    public function testShowPackage()
+    {
+        $expected = [
+            'name' => 'composer/composer',
+            'origin' => 'private',
+            'versionConstraint' => null,
+            'expirationDate' => null,
+            'versions' => [
+                [
+                    'version' => '2.3.9',
+                    'versionNormalized' => '2.3.9.0',
+                    'sourceReference' => '015f524c9969255a29cdea8890cbd4fec240ee47',
+                    'distReference' => '015f524c9969255a29cdea8890cbd4fec240ee47',
+                    'releasedAt' => '2022-07-05T14:52:00+00:00',
+                ],
+            ],
+        ];
+
+        /** @var Customers&MockObject $api */
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('get')
+            ->with($this->equalTo('/customers/1/packages/composer/composer/'))
+            ->willReturn($expected);
+
+        $this->assertSame($expected, $api->showPackage(1, 'composer/composer'));
+    }
+
     public function testAddOrEditPackages()
     {
         $expected = [