diff --git a/CHANGES.md b/CHANGES.md
index 49efbbc11c..bacec8356b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,8 @@
-Release 2.5.14.0 (Aug 1?, 2024) -- compared to 2.5.13.1
+Release 2.5.15.0 (Sep 1?, 2024) -- compared to 2.5.14.0
+--------------------------------------------------------
+
+
+Release 2.5.14.0 (Aug 1, 2024) -- compared to 2.5.13.1
 --------------------------------------------------------
 - *fix (png)*: Correctly read PNGs with partial alpha [#4315](https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/4315) (2.5.14.0)
 - *fix(ImageBuf)*: Copy/paste error in the ImageBuf iterator copy constructor [#4365](https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/4365) (by Anton Dukhovnikov)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ff009229b..bb5742545a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 cmake_minimum_required (VERSION 3.15)
 
-set (OpenImageIO_VERSION "2.5.14.0")
+set (OpenImageIO_VERSION "2.5.15.0")
 set (OpenImageIO_VERSION_OVERRIDE "" CACHE STRING
      "Version override (use with caution)!")
 mark_as_advanced (OpenImageIO_VERSION_OVERRIDE)