diff --git a/CHANGELOG.md b/CHANGELOG.md
index cde2c08..d30584b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 Change Log
 ==========================
 
+5.3.0
+--------------------------
+
+### Changes
+
+- add `wBits` optional parameter to `gzipped(level:)` and `.gunzipped()` to support managing the size of the history buffer.
+
+
+
 5.2.0
 --------------------------
 
diff --git a/GzipSwift.podspec b/GzipSwift.podspec
index bf2959c..d3b173f 100644
--- a/GzipSwift.podspec
+++ b/GzipSwift.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name          = "GzipSwift"
-  s.version       = "5.2.0"
+  s.version       = "5.3.0"
   s.swift_version = '5.0'
   s.summary       = "Swift framework that enables gzip/gunzip Data using zlib."