diff --git a/lib/workers/repository/update/branch/get-updated.spec.ts b/lib/workers/repository/update/branch/get-updated.spec.ts
index ab63ca482a5246..123485920d9c87 100644
--- a/lib/workers/repository/update/branch/get-updated.spec.ts
+++ b/lib/workers/repository/update/branch/get-updated.spec.ts
@@ -8,6 +8,7 @@ import * as _helmv3 from '../../../../modules/manager/helmv3';
 import * as _npm from '../../../../modules/manager/npm';
 import * as _pep621 from '../../../../modules/manager/pep621';
 import * as _poetry from '../../../../modules/manager/poetry';
+import type { PackageFile } from '../../../../modules/manager/types';
 import type { BranchConfig, BranchUpgradeConfig } from '../../../types';
 import * as _autoReplace from './auto-replace';
 import { getUpdatedPackageFiles } from './get-updated';
@@ -204,6 +205,42 @@ describe('workers/repository/update/branch/get-updated', () => {
       });
     });
 
+    it('for lockFileMaintenance passes proper lockFiles', async () => {
+      config.upgrades.push({
+        manager: 'composer',
+        updateType: 'lockFileMaintenance',
+        packageFile: 'composer.json',
+        branchName: 'some-branch',
+      } satisfies BranchUpgradeConfig);
+      config.lockFiles = ['different.lock'];
+      config.packageFiles = {
+        composer: [
+          {
+            packageFile: 'composer.json',
+            lockFiles: ['composer.lock'],
+            deps: [],
+          },
+        ] satisfies PackageFile[],
+      };
+      composer.updateArtifacts.mockResolvedValueOnce([
+        {
+          file: {
+            type: 'addition',
+            path: 'composer.json',
+            contents: 'some contents',
+          },
+        },
+      ]);
+      await getUpdatedPackageFiles(config);
+      expect(composer.updateArtifacts).toHaveBeenCalledWith(
+        expect.objectContaining({
+          config: expect.objectContaining({
+            lockFiles: ['composer.lock'],
+          }),
+        }),
+      );
+    });
+
     it('handles isRemediation success', async () => {
       config.upgrades.push({
         manager: 'npm',
diff --git a/lib/workers/repository/update/branch/get-updated.ts b/lib/workers/repository/update/branch/get-updated.ts
index 984edda37579ed..70882094557b1e 100644
--- a/lib/workers/repository/update/branch/get-updated.ts
+++ b/lib/workers/repository/update/branch/get-updated.ts
@@ -6,6 +6,7 @@ import { get } from '../../../../modules/manager';
 import type {
   ArtifactError,
   PackageDependency,
+  PackageFile,
   UpdateArtifact,
   UpdateArtifactsResult,
 } from '../../../../modules/manager/types';
@@ -342,7 +343,11 @@ export async function getUpdatedPackageFiles(
             packageFileName,
             updatedDeps: [],
             newPackageFileContent: contents!,
-            config,
+            config: patchConfigForArtifactsUpdate(
+              config,
+              manager,
+              packageFileName,
+            ),
           });
           processUpdateArtifactResults(
             results,
@@ -361,6 +366,26 @@ export async function getUpdatedPackageFiles(
   };
 }
 
+// workaround, see #27319
+function patchConfigForArtifactsUpdate(
+  config: BranchConfig,
+  manager: string,
+  packageFileName: string,
+): BranchConfig {
+  const updatedConfig = { ...config };
+  if (is.nonEmptyArray(updatedConfig.packageFiles?.[manager])) {
+    const managerPackageFiles: PackageFile[] =
+      updatedConfig.packageFiles?.[manager];
+    const packageFile = managerPackageFiles.find(
+      (p) => p.packageFile === packageFileName,
+    );
+    if (packageFile) {
+      updatedConfig.lockFiles ??= packageFile.lockFiles;
+    }
+  }
+  return updatedConfig;
+}
+
 async function managerUpdateArtifacts(
   manager: string,
   updateArtifact: UpdateArtifact,