diff --git a/src/ghes-releases/lib/enterprise-dates.json b/src/ghes-releases/lib/enterprise-dates.json
index 4a867f70a0e9..962d5bbcafff 100644
--- a/src/ghes-releases/lib/enterprise-dates.json
+++ b/src/ghes-releases/lib/enterprise-dates.json
@@ -129,7 +129,7 @@
   },
   "3.8": {
     "releaseDate": "2023-02-07",
-    "deprecationDate": "2024-03-07"
+    "deprecationDate": "2024-03-26"
   },
   "3.9": {
     "releaseDate": "2023-06-08",