diff --git a/src/Command/RelockCommand.php b/src/Command/RelockCommand.php
index 52d9553..c75140f 100644
--- a/src/Command/RelockCommand.php
+++ b/src/Command/RelockCommand.php
@@ -13,8 +13,7 @@ class RelockCommand extends PatchesCommandBase
     protected function configure(): void
     {
         $this->setName('patches-relock');
-        $filename = pathinfo(Patches::getPatchesLockFilePath(), \PATHINFO_BASENAME);
-        $this->setDescription("Find all patches defined in the project and re-write $filename.");
+        $this->setDescription("Find all patches defined in the project and re-write the patches lock file.");
         $this->setAliases(['prl']);
     }
 
@@ -29,7 +28,8 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             unlink($plugin->getLockFile()->getPath());
         }
         $plugin->createNewPatchesLock();
-        $output->write('  - <info>patches.lock.json</info> has been recreated successfully.', true);
+        $filename = pathinfo($plugin->getPatchesLockFilePath(), \PATHINFO_BASENAME);
+        $output->write("  - <info>$filename</info> has been recreated successfully.", true);
         return 0;
     }
 }
diff --git a/src/Plugin/Patches.php b/src/Plugin/Patches.php
index 5b74ca1..d4bed5e 100644
--- a/src/Plugin/Patches.php
+++ b/src/Plugin/Patches.php
@@ -85,23 +85,6 @@ class Patches implements PluginInterface, EventSubscriberInterface, Capable
 
     protected JsonFile $lockFile;
 
-    /**
-     * Get the path to the current patches lock file.
-     */
-    public static function getPatchesLockFilePath(): string
-    {
-        $composer_file = \Composer\Factory::getComposerFile();
-
-        $dir = dirname(realpath($composer_file));
-        $base = pathinfo($composer_file, \PATHINFO_FILENAME);
-
-        if ($base === 'composer') {
-            return "$dir/patches.lock.json";
-        }
-
-        return "$dir/$base-patches.lock.json";
-    }
-
     /**
      * Apply plugin modifications to composer
      *
@@ -115,12 +98,6 @@ public function activate(Composer $composer, IOInterface $io): void
         $this->executor = new ProcessExecutor($this->io);
         $this->patches = array();
         $this->installedPatches = array();
-        $this->lockFile = new JsonFile(
-            static::getPatchesLockFilePath(),
-            null,
-            $this->io
-        );
-        $this->locker = new Locker($this->lockFile);
         $this->configuration = [
             'disable-resolvers' => [
                 'type' => 'list',
@@ -146,12 +123,41 @@ public function activate(Composer $composer, IOInterface $io): void
                 'type' => 'string',
                 'default' => 'patches.json',
             ],
+            'patches-lock-file' => [
+                'type' => 'string',
+                'default' => 'patches.lock.json',
+            ],
             "ignore-dependency-patches" => [
                 'type' => 'list',
                 'default' => [],
             ],
         ];
         $this->configure($this->composer->getPackage()->getExtra(), 'composer-patches');
+        $this->lockFile = new JsonFile(
+            $this->getPatchesLockFilePath(),
+            null,
+            $this->io
+        );
+        $this->locker = new Locker($this->lockFile);
+    }
+
+    /**
+     * Get the path to the current patches lock file.
+     */
+    public function getPatchesLockFilePath(): string
+    {
+        $composer_file = \Composer\Factory::getComposerFile();
+
+        $dir = dirname(realpath($composer_file));
+        $base = pathinfo($composer_file, \PATHINFO_FILENAME);
+
+        $lock_file = $this->getConfig('patches-lock-file');
+
+        if ($base === 'composer') {
+            return "$dir/$lock_file";
+        }
+
+        return "$dir/$base-$lock_file";
     }
 
     /**
diff --git a/tests/unit/PatchesPluginTest.php b/tests/unit/PatchesPluginTest.php
index 82e804f..57326cb 100644
--- a/tests/unit/PatchesPluginTest.php
+++ b/tests/unit/PatchesPluginTest.php
@@ -40,12 +40,20 @@ public function testActivate()
      */
     public function testGetPatchesLockFilePath()
     {
-        $path = Patches::getPatchesLockFilePath();
+        $package = new RootPackage('cweagans/composer-patches', '0.0.0.0', '0.0.0');
+        $io = new NullIO();
+        $composer = new Composer();
+        $composer->setPackage($package);
+
+        $plugin = new Patches();
+        $plugin->activate($composer, $io);
+
+        $path = $plugin->getPatchesLockFilePath();
         $filename = pathinfo($path, \PATHINFO_BASENAME);
         $this->assertEquals('patches.lock.json', $filename);
 
         putenv('COMPOSER=mycomposer.json');
-        $path = Patches::getPatchesLockFilePath();
+        $path = $plugin->getPatchesLockFilePath();
         $filename = pathinfo($path, \PATHINFO_BASENAME);
         $this->assertEquals('mycomposer-patches.lock.json', $filename);
     }