diff --git a/README.md b/README.md
index dc1a55b..f29aea5 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-    compile 'moe.pine:rxkotlin-collections:0.2.8'
+    compile 'moe.pine:rxkotlin-collections:0.2.9'
 }
 ```
 
diff --git a/build.gradle b/build.gradle
index 4ea01c7..892a32d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ apply plugin: 'jacoco'
 apply plugin: 'com.github.kt3k.coveralls'
 
 group            = 'moe.pine'
-version          = '0.2.8'
+version          = '0.2.9'
 archivesBaseName = 'rxkotlin-collections'
 
 repositories {