diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a6bd0340172e6d..00db47ccbe8432 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -406,7 +406,7 @@ jobs:
           merge-multiple: true
 
       - name: Codecov
-        uses: codecov/codecov-action@84508663e988701840491b86de86b666e8a86bed # v4.3.0
+        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           directory: coverage/lcov
@@ -558,6 +558,9 @@ jobs:
       - name: Build
         run: pnpm build:docs
 
+      - name: Test docs
+        run: pnpm test:docs
+
       - name: Upload
         uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
         with:
@@ -629,7 +632,7 @@ jobs:
           show-progress: false
 
       - name: docker-config
-        uses: containerbase/internal-tools@75d68da3c8cd3d622cf6d4b8d2dfe7e4dc33dfed # v3.0.78
+        uses: containerbase/internal-tools@dbc381e7a824b3777dceafc226804644311ab9a1 # v3.0.82
         with:
           command: docker-config
 
diff --git a/lib/modules/platform/gitlab/__snapshots__/index.spec.ts.snap b/lib/modules/platform/gitlab/__snapshots__/index.spec.ts.snap
index a0082574098a51..1606ceab4e474e 100644
--- a/lib/modules/platform/gitlab/__snapshots__/index.spec.ts.snap
+++ b/lib/modules/platform/gitlab/__snapshots__/index.spec.ts.snap
@@ -232,6 +232,7 @@ exports[`modules/platform/gitlab/index initRepo should fall back respecting when
       "defaultBranch": "master",
       "ignorePrAuthor": undefined,
       "mergeMethod": "merge",
+      "mergeRequestRepository": "some%2Frepo%2Fproject",
       "repository": "some%2Frepo%2Fproject",
       "url": "http://oauth2:123test@mycompany.com/gitlab/some/repo/project.git",
     },
@@ -247,6 +248,7 @@ exports[`modules/platform/gitlab/index initRepo should use ssh_url_to_repo if gi
       "defaultBranch": "master",
       "ignorePrAuthor": undefined,
       "mergeMethod": "merge",
+      "mergeRequestRepository": "some%2Frepo%2Fproject",
       "repository": "some%2Frepo%2Fproject",
       "url": "ssh://git@gitlab.com/some%2Frepo%2Fproject.git",
     },
diff --git a/lib/modules/platform/gitlab/index.ts b/lib/modules/platform/gitlab/index.ts
index e5b1e89368c945..c350402bfbfa61 100644
--- a/lib/modules/platform/gitlab/index.ts
+++ b/lib/modules/platform/gitlab/index.ts
@@ -83,6 +83,7 @@ let config: {
   cloneSubmodules: boolean | undefined;
   ignorePrAuthor: boolean | undefined;
   squash: boolean;
+  mergeRequestRepository: string;
 } = {} as any;
 
 const defaults = {
@@ -323,7 +324,6 @@ export async function initRepo({
       );
       throw new Error(REPOSITORY_ARCHIVED);
     }
-
     if (res.body.mirror && includeMirrors !== true) {
       logger.debug(
         'Repository is a mirror - throwing error to abort renovation',
@@ -359,6 +359,8 @@ export async function initRepo({
     }
     logger.debug(`${repository} default branch = ${config.defaultBranch}`);
     delete config.prList;
+    config.mergeRequestRepository =
+      res.body.forked_from_project?.id ?? config.repository;
     logger.debug('Enabling Git FS');
     const url = getRepoUrl(repository, gitUrl, res);
     await git.initRepo({
@@ -555,7 +557,7 @@ async function fetchPrList(): Promise<Pr[]> {
     searchParams.scope = 'created_by_me';
   }
   const query = getQueryString(searchParams);
-  const urlString = `projects/${config.repository}/merge_requests?${query}`;
+  const urlString = `projects/${config.mergeRequestRepository}/merge_requests?${query}`;
   try {
     const res = await gitlabApi.getJson<
       {
@@ -593,7 +595,7 @@ export async function getPrList(): Promise<Pr[]> {
 
 async function ignoreApprovals(pr: number): Promise<void> {
   try {
-    const url = `projects/${config.repository}/merge_requests/${pr}/approval_rules`;
+    const url = `projects/${config.mergeRequestRepository}/merge_requests/${pr}/approval_rules`;
     const { body: rules } = await gitlabApi.getJson<
       {
         name: string;
@@ -684,7 +686,7 @@ async function tryPrAutomerge(
           pipeline: {
             status: string;
           };
-        }>(`projects/${config.repository}/merge_requests/${pr}`, {
+        }>(`projects/${config.mergeRequestRepository}/merge_requests/${pr}`, {
           memCache: false,
         });
         // detailed_merge_status is available with Gitlab >=15.6.0
@@ -713,7 +715,7 @@ async function tryPrAutomerge(
       for (let attempt = 1; attempt <= retryTimes; attempt += 1) {
         try {
           await gitlabApi.putJson(
-            `projects/${config.repository}/merge_requests/${pr}/merge`,
+            `projects/${config.mergeRequestRepository}/merge_requests/${pr}/merge`,
             {
               body: {
                 should_remove_source_branch: true,
@@ -739,7 +741,7 @@ async function tryPrAutomerge(
 async function approvePr(pr: number): Promise<void> {
   try {
     await gitlabApi.postJson(
-      `projects/${config.repository}/merge_requests/${pr}/approve`,
+      `projects/${config.mergeRequestRepository}/merge_requests/${pr}/approve`,
     );
   } catch (err) {
     logger.warn({ err }, 'GitLab: Error approving merge request');
@@ -761,6 +763,9 @@ export async function createPr({
   }
   const description = sanitize(rawDescription);
   logger.debug(`Creating Merge Request: ${title}`);
+  // the creation is always against the repository with the branch
+  // but if the target_project_id is forked_from_project, then the Merge
+  // Request will end up in that repository
   const res = await gitlabApi.postJson<Pr & { iid: number }>(
     `projects/${config.repository}/merge_requests`,
     {
@@ -772,6 +777,7 @@ export async function createPr({
         description,
         labels: (labels ?? []).join(','),
         squash: config.squash,
+        target_project_id: config.mergeRequestRepository,
       },
     },
   );
@@ -794,7 +800,7 @@ export async function createPr({
 
 export async function getPr(iid: number): Promise<GitlabPr> {
   logger.debug(`getPr(${iid})`);
-  const mr = await getMR(config.repository, iid);
+  const mr = await getMR(config.mergeRequestRepository, iid);
 
   // Harmonize fields with GitHub
   const pr: GitlabPr = {
@@ -852,7 +858,7 @@ export async function updatePr({
   }
 
   await gitlabApi.putJson(
-    `projects/${config.repository}/merge_requests/${iid}`,
+    `projects/${config.mergeRequestRepository}/merge_requests/${iid}`,
     { body },
   );
 
@@ -873,7 +879,7 @@ export async function reattemptPlatformAutomerge({
 export async function mergePr({ id }: MergePRConfig): Promise<boolean> {
   try {
     await gitlabApi.putJson(
-      `projects/${config.repository}/merge_requests/${id}/merge`,
+      `projects/${config.mergeRequestRepository}/merge_requests/${id}/merge`,
       {
         body: {
           should_remove_source_branch: true,
@@ -1010,11 +1016,12 @@ export async function setBranchStatus({
   state: renovateState,
   url: targetUrl,
 }: BranchStatusConfig): Promise<void> {
+  const branchSourceProject = config.repository;
   // First, get the branch commit SHA
   const branchSha = git.getBranchCommit(branchName);
   // Now, check the statuses for that commit
   // TODO: types (#22198)
-  const url = `projects/${config.repository}/statuses/${branchSha!}`;
+  const url = `projects/${branchSourceProject}/statuses/${branchSha!}`;
   let state = 'success';
   if (renovateState === 'yellow') {
     state = 'pending';
@@ -1076,7 +1083,7 @@ export async function getIssueList(): Promise<GitlabIssue[]> {
     });
     const res = await gitlabApi.getJson<
       { iid: number; title: string; labels: string[] }[]
-    >(`projects/${config.repository}/issues?${query}`, {
+    >(`projects/${config.mergeRequestRepository}/issues?${query}`, {
       memCache: false,
       paginate: true,
     });
@@ -1101,7 +1108,7 @@ export async function getIssue(
   try {
     const issueBody = (
       await gitlabApi.getJson<{ description: string }>(
-        `projects/${config.repository}/issues/${number}`,
+        `projects/${config.mergeRequestRepository}/issues/${number}`,
         { memCache: useCache },
       )
     ).body.description;
@@ -1148,13 +1155,13 @@ export async function ensureIssue({
     if (issue) {
       const existingDescription = (
         await gitlabApi.getJson<{ description: string }>(
-          `projects/${config.repository}/issues/${issue.iid}`,
+          `projects/${config.mergeRequestRepository}/issues/${issue.iid}`,
         )
       ).body.description;
       if (issue.title !== title || existingDescription !== description) {
         logger.debug('Updating issue');
         await gitlabApi.putJson(
-          `projects/${config.repository}/issues/${issue.iid}`,
+          `projects/${config.mergeRequestRepository}/issues/${issue.iid}`,
           {
             body: {
               title,
@@ -1167,14 +1174,17 @@ export async function ensureIssue({
         return 'updated';
       }
     } else {
-      await gitlabApi.postJson(`projects/${config.repository}/issues`, {
-        body: {
-          title,
-          description,
-          labels: (labels ?? []).join(','),
-          confidential: confidential ?? false,
+      await gitlabApi.postJson(
+        `projects/${config.mergeRequestRepository}/issues`,
+        {
+          body: {
+            title,
+            description,
+            labels: (labels ?? []).join(','),
+            confidential: confidential ?? false,
+          },
         },
-      });
+      );
       logger.info('Issue created');
       // delete issueList so that it will be refetched as necessary
       delete config.issueList;
@@ -1197,7 +1207,7 @@ export async function ensureIssueClosing(title: string): Promise<void> {
     if (issue.title === title) {
       logger.debug({ issue }, 'Closing issue');
       await gitlabApi.putJson(
-        `projects/${config.repository}/issues/${issue.iid}`,
+        `projects/${config.mergeRequestRepository}/issues/${issue.iid}`,
         {
           body: { state_event: 'close' },
         },
@@ -1282,7 +1292,7 @@ export async function addReviewers(
   newReviewerIDs = [...new Set(newReviewerIDs)];
 
   try {
-    await updateMR(config.repository, iid, {
+    await updateMR(config.mergeRequestRepository, iid, {
       reviewer_ids: [...existingReviewerIDs, ...newReviewerIDs],
     });
   } catch (err) {
@@ -1301,7 +1311,7 @@ export async function deleteLabel(
       .filter((l: string) => l !== label)
       .join(',');
     await gitlabApi.putJson(
-      `projects/${config.repository}/merge_requests/${issueNo}`,
+      `projects/${config.mergeRequestRepository}/merge_requests/${issueNo}`,
       {
         body: { labels },
       },
@@ -1314,7 +1324,7 @@ export async function deleteLabel(
 async function getComments(issueNo: number): Promise<GitlabComment[]> {
   // GET projects/:owner/:repo/merge_requests/:number/notes
   logger.debug(`Getting comments for #${issueNo}`);
-  const url = `projects/${config.repository}/merge_requests/${issueNo}/notes`;
+  const url = `projects/${config.mergeRequestRepository}/merge_requests/${issueNo}/notes`;
   const comments = (
     await gitlabApi.getJson<GitlabComment[]>(url, { paginate: true })
   ).body;
@@ -1325,7 +1335,7 @@ async function getComments(issueNo: number): Promise<GitlabComment[]> {
 async function addComment(issueNo: number, body: string): Promise<void> {
   // POST projects/:owner/:repo/merge_requests/:number/notes
   await gitlabApi.postJson(
-    `projects/${config.repository}/merge_requests/${issueNo}/notes`,
+    `projects/${config.mergeRequestRepository}/merge_requests/${issueNo}/notes`,
     {
       body: { body },
     },
@@ -1339,7 +1349,7 @@ async function editComment(
 ): Promise<void> {
   // PUT projects/:owner/:repo/merge_requests/:number/notes/:id
   await gitlabApi.putJson(
-    `projects/${config.repository}/merge_requests/${issueNo}/notes/${commentId}`,
+    `projects/${config.mergeRequestRepository}/merge_requests/${issueNo}/notes/${commentId}`,
     {
       body: { body },
     },
@@ -1352,7 +1362,7 @@ async function deleteComment(
 ): Promise<void> {
   // DELETE projects/:owner/:repo/merge_requests/:number/notes/:id
   await gitlabApi.deleteJson(
-    `projects/${config.repository}/merge_requests/${issueNo}/notes/${commentId}`,
+    `projects/${config.mergeRequestRepository}/merge_requests/${issueNo}/notes/${commentId}`,
   );
 }
 
diff --git a/lib/modules/platform/gitlab/types.ts b/lib/modules/platform/gitlab/types.ts
index 897d25175783b4..d33db1956b0bc0 100644
--- a/lib/modules/platform/gitlab/types.ts
+++ b/lib/modules/platform/gitlab/types.ts
@@ -60,12 +60,14 @@ export interface RepoResponse {
   empty_repo: boolean;
   ssh_url_to_repo: string;
   http_url_to_repo: string;
-  forked_from_project: boolean;
   repository_access_level: 'disabled' | 'private' | 'enabled';
   merge_requests_access_level: 'disabled' | 'private' | 'enabled';
   merge_method: MergeMethod;
   path_with_namespace: string;
   squash_option?: 'never' | 'always' | 'default_on' | 'default_off';
+  forked_from_project?: {
+    id: string;
+  };
 }
 
 // See https://gitlab.com/gitlab-org/gitlab/-/blob/master/app/graphql/types/user_status_type.rb
diff --git a/package.json b/package.json
index abdea127ec831d..2f7d5beb47da8f 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
     "test-e2e:install": "cd test/e2e && npm install --no-package-lock --prod",
     "test-e2e:run": "cd test/e2e && npm test",
     "test-schema": "run-s create-json-schema",
+    "test:docs": "node --test tools/docs/test/",
     "schedule-test-shards": "SCHEDULE_TEST_SHARDS=true ts-node jest.config.ts",
     "tsc": "tsc",
     "type-check": "run-s 'generate:*' 'tsc --noEmit {@}' --",
@@ -134,48 +135,44 @@
   "homepage": "https://renovatebot.com",
   "engines": {
     "node": "^18.12.0 || >=20.0.0",
-    "pnpm": "^8.0.0"
+    "pnpm": "^9.0.0"
   },
   "engines-next": {
     "description": "Versions other than the below are deprecated and a warning will be logged",
     "node": "^18.12.0 || >=20.0.0"
   },
   "dependencies": {
-    "@aws-sdk/client-codecommit": "3.563.0",
-    "@aws-sdk/client-ec2": "3.563.0",
-    "@aws-sdk/client-ecr": "3.563.0",
-    "@aws-sdk/client-rds": "3.563.0",
-    "@aws-sdk/client-s3": "3.563.0",
-    "@aws-sdk/credential-providers": "3.563.0",
+    "@aws-sdk/client-codecommit": "3.565.0",
+    "@aws-sdk/client-ec2": "3.565.0",
+    "@aws-sdk/client-ecr": "3.565.0",
+    "@aws-sdk/client-rds": "3.565.0",
+    "@aws-sdk/client-s3": "3.565.0",
+    "@aws-sdk/credential-providers": "3.565.0",
     "@breejs/later": "4.2.0",
     "@cdktf/hcl2json": "0.20.7",
     "@opentelemetry/api": "1.8.0",
-    "@opentelemetry/context-async-hooks": "1.23.0",
-    "@opentelemetry/exporter-trace-otlp-http": "0.50.0",
-    "@opentelemetry/instrumentation": "0.50.0",
-    "@opentelemetry/instrumentation-bunyan": "0.37.0",
-    "@opentelemetry/instrumentation-http": "0.50.0",
-    "@opentelemetry/resources": "1.23.0",
-    "@opentelemetry/sdk-trace-base": "1.23.0",
-    "@opentelemetry/sdk-trace-node": "1.23.0",
-    "@opentelemetry/semantic-conventions": "1.23.0",
+    "@opentelemetry/context-async-hooks": "1.24.0",
+    "@opentelemetry/exporter-trace-otlp-http": "0.51.0",
+    "@opentelemetry/instrumentation": "0.51.0",
+    "@opentelemetry/instrumentation-bunyan": "0.38.0",
+    "@opentelemetry/instrumentation-http": "0.51.0",
+    "@opentelemetry/resources": "1.24.0",
+    "@opentelemetry/sdk-trace-base": "1.24.0",
+    "@opentelemetry/sdk-trace-node": "1.24.0",
+    "@opentelemetry/semantic-conventions": "1.24.0",
     "@qnighy/marshal": "0.1.3",
     "@renovatebot/kbpgp": "3.0.1",
     "@renovatebot/osv-offline": "1.5.4",
     "@renovatebot/pep440": "3.0.20",
     "@renovatebot/ruby-semver": "3.0.23",
     "@sindresorhus/is": "4.6.0",
-    "@types/better-sqlite3": "7.6.9",
-    "@types/ms": "0.7.34",
-    "@types/tmp": "0.2.6",
     "@yarnpkg/core": "4.0.3",
     "@yarnpkg/parsers": "3.0.0",
     "agentkeepalive": "4.5.0",
     "aggregate-error": "3.1.0",
     "auth-header": "1.0.0",
     "aws4": "1.12.0",
-    "azure-devops-node-api": "12.5.0",
-    "better-sqlite3": "9.5.0",
+    "azure-devops-node-api": "13.0.0",
     "bunyan": "1.8.15",
     "cacache": "18.0.2",
     "cacheable-lookup": "5.0.4",
@@ -202,7 +199,7 @@
     "glob": "10.3.12",
     "global-agent": "3.0.0",
     "good-enough-parser": "1.1.23",
-    "google-auth-library": "9.8.0",
+    "google-auth-library": "9.9.0",
     "got": "11.8.6",
     "graph-data-structure": "3.5.0",
     "handlebars": "4.7.8",
@@ -214,9 +211,9 @@
     "json5": "2.2.3",
     "jsonata": "2.0.4",
     "klona": "2.0.6",
-    "lru-cache": "10.2.0",
+    "lru-cache": "10.2.2",
     "luxon": "3.4.4",
-    "markdown-it": "13.0.2",
+    "markdown-it": "14.1.0",
     "markdown-table": "2.0.0",
     "minimatch": "9.0.4",
     "moo": "0.5.2",
@@ -251,6 +248,7 @@
     "zod": "3.23.4"
   },
   "optionalDependencies": {
+    "better-sqlite3": "9.6.0",
     "openpgp": "5.11.1",
     "re2": "1.20.10"
   },
@@ -265,9 +263,10 @@
     "@openpgp/web-stream-tools": "0.0.14",
     "@renovate/eslint-plugin": "file:tools/eslint",
     "@semantic-release/exec": "6.0.3",
-    "@swc/core": "1.4.16",
+    "@swc/core": "1.4.17",
     "@types/auth-header": "1.0.6",
     "@types/aws4": "1.11.6",
+    "@types/better-sqlite3": "7.6.10",
     "@types/breejs__later": "4.1.5",
     "@types/bunyan": "1.8.11",
     "@types/cacache": "17.0.2",
@@ -276,7 +275,7 @@
     "@types/clean-git-ref": "2.0.2",
     "@types/common-tags": "1.8.4",
     "@types/conventional-commits-detector": "1.0.2",
-    "@types/diff": "5.0.9",
+    "@types/diff": "5.2.0",
     "@types/eslint": "8.56.10",
     "@types/fs-extra": "11.0.4",
     "@types/git-url-parse": "9.0.3",
@@ -288,23 +287,26 @@
     "@types/linkify-markdown": "1.0.3",
     "@types/lodash": "4.17.0",
     "@types/luxon": "3.4.2",
-    "@types/markdown-it": "13.0.7",
+    "@types/markdown-it": "14.0.1",
     "@types/markdown-table": "2.0.0",
     "@types/marshal": "0.5.3",
     "@types/mdast": "3.0.15",
     "@types/moo": "0.5.9",
+    "@types/ms": "0.7.34",
     "@types/node": "18.19.31",
     "@types/parse-link-header": "2.0.3",
     "@types/semver": "7.5.8",
     "@types/semver-stable": "3.0.2",
     "@types/semver-utils": "1.1.3",
     "@types/tar": "6.1.13",
+    "@types/tmp": "0.2.6",
     "@types/traverse": "0.6.36",
+    "@types/unist": "2.0.10",
     "@types/url-join": "4.0.3",
     "@types/validate-npm-package-name": "4.0.2",
     "@types/xmldoc": "1.1.9",
-    "@typescript-eslint/eslint-plugin": "7.7.1",
-    "@typescript-eslint/parser": "7.7.1",
+    "@typescript-eslint/eslint-plugin": "7.8.0",
+    "@typescript-eslint/parser": "7.8.0",
     "aws-sdk-client-mock": "4.0.0",
     "callsite": "1.0.0",
     "common-tags": "1.8.2",
@@ -329,7 +331,7 @@
     "jest-mock-extended": "3.0.6",
     "jest-snapshot": "29.7.0",
     "markdownlint-cli2": "0.13.0",
-    "memfs": "4.8.2",
+    "memfs": "4.9.2",
     "nock": "13.5.4",
     "npm-run-all2": "6.1.2",
     "nyc": "15.1.0",
@@ -340,11 +342,11 @@
     "tmp-promise": "3.0.3",
     "ts-jest": "29.1.2",
     "ts-node": "10.9.2",
-    "type-fest": "4.15.0",
+    "type-fest": "4.18.0",
     "typescript": "5.4.5",
     "unified": "9.2.2"
   },
-  "packageManager": "pnpm@8.15.7",
+  "packageManager": "pnpm@9.0.6",
   "files": [
     "dist",
     "renovate-schema.json"