diff --git a/releases/craft-cms.json b/releases/craft-cms.json
index fc3a894e..83f64b32 100644
--- a/releases/craft-cms.json
+++ b/releases/craft-cms.json
@@ -532,6 +532,7 @@
   "3.8.12": "2023-05-23",
   "3.8.13": "2023-05-24",
   "3.8.14": "2023-06-13",
+  "3.8.15": "2023-07-03",
   "3.8.2": "2023-03-14",
   "3.8.3": "2023-03-16",
   "3.8.4": "2023-03-20",
@@ -580,6 +581,7 @@
   "4.4.12": "2023-05-23",
   "4.4.13": "2023-05-24",
   "4.4.14": "2023-06-13",
+  "4.4.15": "2023-07-03",
   "4.4.2": "2023-03-14",
   "4.4.3": "2023-03-16",
   "4.4.4": "2023-03-20",