diff --git a/lib/platform/bitbucket/__snapshots__/index.spec.ts.snap b/lib/platform/bitbucket/__snapshots__/index.spec.ts.snap
index 05efa11e8bc3ec362198f67a0d9abc06bac0277d..1bcedd7cb3fc3e7b556a9245bd57579aab4c1270 100644
--- a/lib/platform/bitbucket/__snapshots__/index.spec.ts.snap
+++ b/lib/platform/bitbucket/__snapshots__/index.spec.ts.snap
@@ -1202,7 +1202,7 @@ Array [
       "user-agent": "RenovateBot/0.0.0-semantic-release (https://github.com/renovatebot/renovate)",
     },
     "method": "GET",
-    "url": "https://api.bitbucket.org/2.0/repositories/some/repo/pullrequests?state=OPEN&state=MERGED&state=DECLINED&state=SUPERSEDED&pagelen=50",
+    "url": "https://api.bitbucket.org/2.0/repositories/some/repo/pullrequests?state=OPEN&state=MERGED&state=DECLINED&state=SUPERSEDED&q=author.uuid%3D%2212345%22&pagelen=50",
   },
 ]
 `;
diff --git a/lib/platform/bitbucket/index.spec.ts b/lib/platform/bitbucket/index.spec.ts
index ece1e2fb5cc2c5d43b0fa8240c7c556c65e0367a..435bb242782ea9a1154820ab9455c1cbcd19b6c4 100644
--- a/lib/platform/bitbucket/index.spec.ts
+++ b/lib/platform/bitbucket/index.spec.ts
@@ -640,17 +640,10 @@ describe(getName(), () => {
       await initRepoMock(null, null, scope);
       scope
         .get(
-          '/2.0/repositories/some/repo/pullrequests?state=OPEN&state=MERGED&state=DECLINED&state=SUPERSEDED&pagelen=50'
+          '/2.0/repositories/some/repo/pullrequests?state=OPEN&state=MERGED&state=DECLINED&state=SUPERSEDED&q=author.uuid="12345"&pagelen=50'
         )
         .reply(200, {
           values: [
-            {
-              id: 2,
-              author: { uuid: 'abcde' },
-              source: { branch: { name: 'branch-a' } },
-              destination: { branch: { name: 'branch-a' } },
-              state: 'OPEN',
-            },
             {
               id: 1,
               author: { uuid: '12345' },
diff --git a/lib/platform/bitbucket/index.ts b/lib/platform/bitbucket/index.ts
index 342e3c4659245440b343aab4fa1a687ff3f36e82..972da032e2de1d760f283ea00156a74ba9286539 100644
--- a/lib/platform/bitbucket/index.ts
+++ b/lib/platform/bitbucket/index.ts
@@ -212,15 +212,11 @@ export async function getPrList(): Promise<Pr[]> {
     logger.debug('Retrieving PR list');
     let url = `/2.0/repositories/${config.repository}/pullrequests?`;
     url += utils.prStates.all.map((state) => 'state=' + state).join('&');
+    if (renovateUserUuid && !config.ignorePrAuthor) {
+      url += `&q=author.uuid="${renovateUserUuid}"`;
+    }
     const prs = await utils.accumulateValues(url, undefined, undefined, 50);
-    config.prList = prs
-      .filter((pr) => {
-        const prAuthorId = pr?.author?.uuid;
-        return renovateUserUuid && prAuthorId && !config.ignorePrAuthor
-          ? renovateUserUuid === prAuthorId
-          : true;
-      })
-      .map(utils.prInfo);
+    config.prList = prs.map(utils.prInfo);
     logger.debug({ length: config.prList.length }, 'Retrieved Pull Requests');
   }
   return config.prList;