diff --git a/CHANGELOG.md b/CHANGELOG.md
index a34d3bb9..5c95cedd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+## [5.18.9 - 5.8 Bugfix, on Jan 10th, 2024](https://github.com/rs/SDWebImage/releases/tag/5.18.9)
+See [all tickets marked for the 5.18.9 release](https://github.com/SDWebImage/SDWebImage/milestone/129)
+
+### Fixes
+
+- Fix that PNG indexed color fix does not enable on Release Build configuration #3659 #3658
+- - The fix was introduced in 5.18.5, but accidentally only enabled in Debug configuration :)
+- Fix the behavior that query thumbnail from full size data does not sync back the thumbnail image into memory cache #3657 #3656
+- - The bug was introduced in 5.14.0, please upgrade if you use thumbnail decoding.
+- Temp remove the assert when thumbnail cache key used with thumbnail context , this may be changed later #3661
+
+### Project
+- Using os_log for our all log to replace the NSLog #3660
+
 ## [5.18.8 - 5.8 Patch, on Dec 27th, 2023](https://github.com/rs/SDWebImage/releases/tag/5.18.8)
 See [all tickets marked for the 5.18.8 release](https://github.com/SDWebImage/SDWebImage/milestone/128)
 
diff --git a/SDWebImage.podspec b/SDWebImage.podspec
index d3af0e96..538ab772 100644
--- a/SDWebImage.podspec
+++ b/SDWebImage.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = 'SDWebImage'
-  s.version = '5.18.8'
+  s.version = '5.18.9'
 
   s.osx.deployment_target = '10.11'
   s.ios.deployment_target = '9.0'
diff --git a/WebImage/Info.plist b/WebImage/Info.plist
index 0a61c095..19ee12ba 100644
--- a/WebImage/Info.plist
+++ b/WebImage/Info.plist
@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.18.8</string>
+	<string>5.18.9</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>5.18.8</string>
+	<string>5.18.9</string>
 	<key>NSPrincipalClass</key>
 	<string></string>
 </dict>