diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7f97c6ee..c13bc6733 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 Change Log
 ==========
 
+Version 1.4.1
+* Fixed issue hasObservers conditional for Output class (https://github.com/Polidea/RxAndroidBle/issues/283)
+
 Version 1.4.0
 * Added native callback usage support in custom operations. You may consider this API if your implementation is performance critical. (https://github.com/Polidea/RxAndroidBle/issues/165)
 * Added pre-scan verification for excessive scan (undocumented Android 7.0 "feature") (https://github.com/Polidea/RxAndroidBle/issues/227)
diff --git a/README.md b/README.md
index 5c6875622..d1f9785b1 100644
--- a/README.md
+++ b/README.md
@@ -322,7 +322,7 @@ Complete usage examples are located in `/sample` [GitHub repo](https://github.co
 ### Gradle
 
 ```groovy
-compile "com.polidea.rxandroidble:rxandroidble:1.4.0"
+compile "com.polidea.rxandroidble:rxandroidble:1.4.1"
 ```
 ### Maven
 
@@ -330,7 +330,7 @@ compile "com.polidea.rxandroidble:rxandroidble:1.4.0"
 <dependency>
   <groupId>com.polidea.rxandroidble</groupId>
   <artifactId>rxandroidble</artifactId>
-  <version>1.4.0</version>
+  <version>1.4.1</version>
   <type>aar</type>
 </dependency>
 ```
diff --git a/gradle.properties b/gradle.properties
index bfc00c779..154c67a38 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 GROUP=com.polidea.rxandroidble
-VERSION_NAME=1.4.0
+VERSION_NAME=1.4.1
 
 POM_DESCRIPTION=RxJava backed support for Bluetooth Low Energy in Android
 
diff --git a/mockrxandroidble/README.md b/mockrxandroidble/README.md
index bc2ef07a9..3253769a1 100644
--- a/mockrxandroidble/README.md
+++ b/mockrxandroidble/README.md
@@ -40,7 +40,7 @@ Get MockRxAndroidBle via Maven:
 <dependency>
   <groupId>com.polidea.rxandroidble</groupId>
   <artifactId>mockclient</artifactId>
-  <version>1.4.0</version>
+  <version>1.4.1</version>
   <type>aar</type>
 </dependency>
 ```
@@ -48,7 +48,7 @@ Get MockRxAndroidBle via Maven:
 or via Gradle
 
 ```groovy
-compile "com.polidea.rxandroidble:mockclient:1.4.0"
+compile "com.polidea.rxandroidble:mockclient:1.4.1"
 ```
 
 ### License