diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb681142..09b42c9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 All notable changes to this project will be documented in this file.
 
-## [0.13.1 - 2023-10-1x]
+## [0.13.1 - 2023-10-15]
 
 ### Added
 
diff --git a/pillow_heif/_version.py b/pillow_heif/_version.py
index 9178e19f..3c90c0d8 100644
--- a/pillow_heif/_version.py
+++ b/pillow_heif/_version.py
@@ -1,3 +1,3 @@
 """Version of pillow_heif/pi_heif."""
 
-__version__ = "0.13.1.dev0"
+__version__ = "0.13.1"