diff --git a/curriculum/structure/blocks/lab-optional-arguments-sum-function.json b/curriculum/structure/blocks/lab-optional-arguments-sum-function.json
index af0221b5697..f2b2407834d 100644
--- a/curriculum/structure/blocks/lab-optional-arguments-sum-function.json
+++ b/curriculum/structure/blocks/lab-optional-arguments-sum-function.json
@@ -1,6 +1,6 @@
 {
   "name": "Build an Optional Arguments Sum Function",
-  "isUpcomingChange": true,
+  "isUpcomingChange": false,
   "blockType": "lab",
   "blockLayout": "link",
   "dashedName": "lab-optional-arguments-sum-function",