diff --git a/lib/workers/pr/index.js b/lib/workers/pr/index.js
index 595f5723ba0ac0f31ac976c0629bd23c9ef06a6c..b421765a67b17beb0ae23b7ebe5f97b6bbcd7ba3 100644
--- a/lib/workers/pr/index.js
+++ b/lib/workers/pr/index.js
@@ -136,6 +136,12 @@ async function ensurePr(prConfig) {
           upgrade.releases.push(release);
         });
       }
+      // istanbul ignore next
+      for (let i = 50; i < upgrade.releases.length; i += 1) {
+        if (upgrade.releases[i].releaseNotes) {
+          upgrade.releases[i].releaseNotes.body = null;
+        }
+      }
     }
     config.upgrades.push(upgrade);
   }