diff --git a/lib/modules/platform/bitbucket-server/index.spec.ts b/lib/modules/platform/bitbucket-server/index.spec.ts
index 61bdbb2a287bb8..93a4b0cf428157 100644
--- a/lib/modules/platform/bitbucket-server/index.spec.ts
+++ b/lib/modules/platform/bitbucket-server/index.spec.ts
@@ -1694,7 +1694,14 @@ describe('modules/platform/bitbucket-server/index', () => {
             .put(
               `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests/5`,
             )
-            .reply(200);
+            .reply(200, {
+              ...prMock(url, 'SOME', 'repo'),
+              toRef: {
+                id: 'refs/heads/new_base',
+                displayId: 'new_base',
+                latestCommit: '0d9c7726c3d628b7e28af234595cfd20febdbf8e',
+              },
+            });
 
           await expect(
             bitbucket.updatePr({
@@ -1716,7 +1723,11 @@ describe('modules/platform/bitbucket-server/index', () => {
             .put(
               `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests/5`,
             )
-            .reply(200, { state: 'OPEN', version: 42 })
+            .reply(200, {
+              ...prMock(url, 'SOME', 'repo'),
+              state: 'OPEN',
+              version: 42,
+            })
             .post(
               `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests/5/decline?version=42`,
             )
@@ -1742,7 +1753,11 @@ describe('modules/platform/bitbucket-server/index', () => {
             .put(
               `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests/5`,
             )
-            .reply(200, { state: 'DECLINED', version: 42 })
+            .reply(200, {
+              ...prMock(url, 'SOME', 'repo'),
+              state: 'DECLINED',
+              version: 42,
+            })
             .post(
               `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests/5/reopen?version=42`,
             )
@@ -1882,6 +1897,67 @@ describe('modules/platform/bitbucket-server/index', () => {
         });
       });
 
+      it('ensure runtime getPrList() integrity', async () => {
+        const scope = await initRepo();
+        scope
+          .get(`${urlPath}/rest/api/1.0/projects/SOME/repos/repo`)
+          .reply(200, prMock(url, 'SOME', 'repo'))
+          .get(
+            `${urlPath}/rest/default-reviewers/1.0/projects/SOME/repos/repo/reviewers?sourceRefId=refs/heads/branch&targetRefId=refs/heads/master&sourceRepoId=5&targetRepoId=5`,
+          )
+          .reply(200, [{ name: 'jcitizen' }])
+          .post(
+            `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests`,
+          )
+          .reply(200, prMock(url, 'SOME', 'repo'))
+          .get(
+            `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests?state=ALL&role.1=AUTHOR&username.1=abc&limit=100`,
+          )
+          .reply(200, {
+            isLastPage: true,
+            values: [],
+          })
+          .get(
+            `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests/5`,
+          )
+          .reply(200, prMock(url, 'SOME', 'repo'))
+          .put(
+            `${urlPath}/rest/api/1.0/projects/SOME/repos/repo/pull-requests/5`,
+          )
+          .reply(200, { ...prMock(url, 'SOME', 'repo'), title: 'new_title' });
+
+        // initialize runtime pr list
+        await bitbucket.getPrList();
+        const pr = await bitbucket.createPr({
+          sourceBranch: 'branch',
+          targetBranch: 'master',
+          prTitle: 'title',
+          prBody: 'body',
+          platformPrOptions: {
+            bbUseDefaultReviewers: true,
+          },
+        });
+
+        // check that created pr is added to runtime pr list
+        const createdPr = (await bitbucket.getPrList()).find(
+          (pri) => pri.number === pr?.number,
+        );
+        expect(createdPr).toBeDefined();
+
+        await bitbucket.updatePr({
+          number: 5,
+          prTitle: 'new_title',
+          prBody: 'body',
+          targetBranch: 'master',
+        });
+
+        // check that runtime pr list is updated after updatePr() call
+        const updatedPr = (await bitbucket.getPrList()).find(
+          (pri) => pri.number === pr?.number,
+        );
+        expect(updatedPr?.title).toBe('new_title');
+      });
+
       describe('mergePr()', () => {
         it('posts Merge', async () => {
           const scope = await initRepo();
diff --git a/lib/modules/platform/bitbucket-server/index.ts b/lib/modules/platform/bitbucket-server/index.ts
index aed50c88f68ed7..d475ae8f5b9eae 100644
--- a/lib/modules/platform/bitbucket-server/index.ts
+++ b/lib/modules/platform/bitbucket-server/index.ts
@@ -1011,10 +1011,11 @@ export async function updatePr({
       };
     }
 
-    const { body: updatedPr } = await bitbucketServerHttp.putJson<{
-      version: number;
-      state: string;
-    }>(
+    const { body: updatedPr } = await bitbucketServerHttp.putJson<
+      BbsRestPr & {
+        version: number;
+      }
+    >(
       `./rest/api/1.0/projects/${config.projectKey}/repos/${config.repositorySlug}/pull-requests/${prNo}`,
       { body },
     );
@@ -1028,6 +1029,9 @@ export async function updatePr({
       ['closed']: 'DECLINED',
     }[state!];
 
+    let finalState: 'open' | 'closed' =
+      currentState === 'OPEN' ? 'open' : 'closed';
+
     if (
       newState &&
       ['OPEN', 'DECLINED'].includes(currentState) &&
@@ -1040,8 +1044,27 @@ export async function updatePr({
         `./rest/api/1.0/projects/${config.projectKey}/repos/${config.repositorySlug}/pull-requests/${pr.number}/${command}?version=${updatedPr.version}`,
       );
 
+      finalState = state!;
+
       updatePrVersion(pr.number, updatedStatePr.version);
     }
+
+    if (config.prList) {
+      const bbsPr = utils.prInfo(updatedPr);
+      const existingIndex = config.prList.findIndex(
+        (item) => item.number === prNo,
+      );
+      // istanbul ignore if: should never happen
+      if (existingIndex === -1) {
+        logger.warn(
+          { pr: bbsPr },
+          'Possible error: Updated PR was not found in the PRs that were returned from getPrList().',
+        );
+        config.prList.push({ ...bbsPr, state: finalState });
+      } else {
+        config.prList[existingIndex] = { ...bbsPr, state: finalState };
+      }
+    }
   } catch (err) {
     logger.debug({ err, prNo }, `Failed to update PR`);
     if (err.statusCode === 404) {