diff --git a/CHANGES.rst b/CHANGES.rst
index 8ec5d33ed0e..94cd6e7bc75 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,9 +2,12 @@
 Changelog (Pillow)
 ==================
 
-10.0.0 (unreleased)
+10.0.0 (2023-07-01)
 -------------------
 
+- Fixed deallocating mask images #7246
+  [radarhere]
+
 - Added ImageFont.MAX_STRING_LENGTH #7244
   [radarhere, hugovk]
 
diff --git a/src/PIL/_version.py b/src/PIL/_version.py
index 800203d5170..1fc7f7334aa 100644
--- a/src/PIL/_version.py
+++ b/src/PIL/_version.py
@@ -1,2 +1,2 @@
 # Master version for Pillow
-__version__ = "10.0.0.dev0"
+__version__ = "10.0.0"