diff --git a/public/changelog.json b/public/changelog.json
index a1e699112fc..d29ec907816 100644
--- a/public/changelog.json
+++ b/public/changelog.json
@@ -402,6 +402,13 @@
     }
   },
   "data": [
+    {
+      "category": "release",
+      "date": "2026-06-11",
+      "description": "We have begun upgrading the underlying infrastructure that powers Data Feeds on Optimism to improve performance and redundancy. No negative impact is expected.\n\n If you experience any issues, please contact your Chainlink point of contact or [email](mailto:chainlink_data_feeds@smartcontract.com).",
+      "title": "Upgrading Data Feeds Infrastructure on Optimism",
+      "topic": "Data Feeds"
+    },
     {
       "category": "integration",
       "date": "2026-06-11",