diff --git a/README.md b/README.md
index 2f45bef..2acd937 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ allprojects {
 Add library to dependencies:
 ```gradle
 dependencies {
-    implementation 'com.github.3cky:usb-i2c-android:1.1.0'
+    implementation 'com.github.3cky:usb-i2c-android:1.2.0'
 }
 ```
 
@@ -66,6 +66,11 @@ usbManager.requestPermission(i2cAdapter.getUsbDevice(), usbPermissionIntent);
 ...
 // USB permission intent handler called with success result
 
+// Set bus clock speed to 400 kbit/s, if supported by adapter 
+if (i2cAdapter.isClockSpeedSupported(UsbI2cAdapter.CLOCK_SPEED_FAST)) {
+    i2cAdapter.setClockSpeed(UsbI2cAdapter.CLOCK_SPEED_FAST);
+}
+
 // Open adapter
 i2cAdapter.open();
 
diff --git a/build.gradle b/build.gradle
index e3a3ff8..c2d2538 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ allprojects {
 }
 
 ext {
-    projectVersion = '1.2.0-dev'
+    projectVersion = '1.2.0'
 }
 
 task clean(type: Delete) {