diff --git a/README.md b/README.md
index c04e905..eeeb58e 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Add the dependency
 
 ```groovy
 dependencies {
-    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-1:1.1.2'
+    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-1:1.2.0'
 }
 ```
 
@@ -137,8 +137,8 @@ Add to the dependencies
 
 ```groovy
 dependencies {
-    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-1-service:1.1.2'
-    apt 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-service-1-processor:1.1.2'
+    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-1-service:1.2.0'
+    apt 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-service-1-processor:1.2.0'
 }
 ```
 
@@ -265,7 +265,7 @@ Add the dependency
 
 ```groovy
 dependencies {
-    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-2:1.1.2'
+    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-2:1.2.0'
 }
 ```
 
@@ -279,8 +279,8 @@ Add to the dependencies
 
 ```groovy
 dependencies {
-    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-2-service:1.1.2'
-    apt 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-service-2-processor:1.1.2'
+    compile 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-2-service:1.2.0'
+    apt 'com.github.AleksanderMielczarek.ObservableCache:observable-cache-service-2-processor:1.2.0'
 }
 ```
 
@@ -290,6 +290,10 @@ ProGuard is shipped with library.
 
 ## Changelog
 
+### 1.2.0 (2017-03-06)
+
+- simplify API
+
 ### 1.1.2 (2017-03-05)
 
 - change ifPresent method to void
diff --git a/dependencies.gradle b/dependencies.gradle
index e407d4a..a1d3dcf 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -1,7 +1,7 @@
 ext {
     versionMajor = 1
-    versionMinor = 1
-    versionFix = 2
+    versionMinor = 2
+    versionFix = 0
 
     minSdkVersionVersion = 16
     sdkVersion = 25