diff --git a/README.md b/README.md
index 96efdf1b0..7eaf27184 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,10 @@ A High Performance Inter-Thread Messaging Library
 
 ## Changelog
 
+### 3.3.9
+
+- Changle SleepingWaitStrategy to use a parkNanos(100).
+
 ### 3.3.8
 
 - Revert belt and braces WaitStategy signalling.
diff --git a/build.gradle b/build.gradle
index 0bda4d38b..f3450e7a3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,7 +24,7 @@ apply plugin: 'idea'
 defaultTasks 'build'
 
 group = 'com.lmax'
-version = new Version(major: 3, minor: 3, revision: 8)
+version = new Version(major: 3, minor: 3, revision: 9)
 
 ext {
     fullName = 'Disruptor Framework'