diff --git a/README.md b/README.md
index 59050169..df7f6987 100644
--- a/README.md
+++ b/README.md
@@ -14,11 +14,11 @@ Note: WilliamChart v3 has been completely re-written from scratch in Kotlin and
 
 ``` groovy
 // Charts
-implementation 'com.diogobernardino:williamchart:3.9.0'
+implementation 'com.diogobernardino:williamchart:3.9.1'
 
 // Tooltips
-implementation 'com.diogobernardino.williamchart:tooltip-slider:3.9.0'
-implementation 'com.diogobernardino.williamchart:tooltip-points:3.9.0'
+implementation 'com.diogobernardino.williamchart:tooltip-slider:3.9.1'
+implementation 'com.diogobernardino.williamchart:tooltip-points:3.9.1'
 ```
 
 If you find this library useful and decide to use it in your projects please drop me a line [@dfbernardino][1], I will be happy to know about it.
diff --git a/build.gradle b/build.gradle
index 4d0b4e0d..0787d5dd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 buildscript {
 
     ext {
-        williamchartVersion = "3.9.0"
+        williamchartVersion = "3.9.1"
         targetSdkVersion = 30
         minSdkVersion = 16
         kotlinVersion = "1.4.10"