diff --git a/lib/workers/pr/changelog/release-notes.js b/lib/workers/pr/changelog/release-notes.js
index e29ddc19d76bf91befb5b16aee79c083ee8a728a..5eb88c09eb8fdd06bfb76b91a1f007eec9cefa97 100644
--- a/lib/workers/pr/changelog/release-notes.js
+++ b/lib/workers/pr/changelog/release-notes.js
@@ -208,7 +208,7 @@ async function addReleaseNotes(input) {
       if (!releaseNotes && v.compare.url) {
         releaseNotes = { url: v.compare.url };
       }
-      const cacheMinutes = 30;
+      const cacheMinutes = 55;
       await renovateCache.set(
         cacheNamespace,
         cacheKey,
diff --git a/lib/workers/pr/changelog/source-github.js b/lib/workers/pr/changelog/source-github.js
index 896a8f057be32e7df6ee2ca37fca8d2e473e64ee..f796c0626a5642a6fd16ace1c8a9df27321d52f6 100644
--- a/lib/workers/pr/changelog/source-github.js
+++ b/lib/workers/pr/changelog/source-github.js
@@ -128,7 +128,7 @@ async function getChangeLogJSON({
         if (prevHead && nextHead) {
           release.compare.url = `${githubBaseURL}${repository}/compare/${prevHead}...${nextHead}`;
         }
-        const cacheMinutes = 30;
+        const cacheMinutes = 55;
         await renovateCache.set(
           cacheNamespace,
           getCacheKey(prev.version, next.version),