diff --git a/README.md b/README.md
index a818ff8..fc910f1 100644
--- a/README.md
+++ b/README.md
@@ -352,14 +352,14 @@ Download
 --------
 Releases are available both in `jcenter` and `mavenCentral` repositories.
 ```groovy
-compile 'com.github.ivbaranov:rxbluetooth2:2.1.1'
+compile 'com.github.ivbaranov:rxbluetooth2:2.1.2'
 ```
 
 | Branch  | Artifact Id | Support library version  | Latest version |
 |:-------:|:-----------:|:------------------------:|:--------------:|
 | [`rxjava-1.x`](https://github.com/IvBaranov/RxBluetooth/tree/rxjava-1.x) | `rxbluetooth` | 25.3.1 | 0.1.6 |
 | [`rxjava-2.x`](https://github.com/IvBaranov/RxBluetooth/tree/rxjava-2.x) | `rxbluetooth2` | 25.3.1 | 2.0.4 |
-| [`rxjava-2.x`](https://github.com/IvBaranov/RxBluetooth/tree/rxjava-2.x) | `rxbluetooth2` | AndroidX | 2.1.1 |
+| [`rxjava-2.x`](https://github.com/IvBaranov/RxBluetooth/tree/rxjava-2.x) | `rxbluetooth2` | AndroidX | 2.1.2 |
 
 
 #### Snapshots
diff --git a/build.gradle b/build.gradle
index 9c00a36..4fc157d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,11 +2,10 @@ buildscript {
   repositories {
     google()
     mavenCentral()
-    jcenter()
   }
   dependencies {
-    classpath "com.android.tools.build:gradle:$GRADLE_PLUGIN_VERSION"
-    classpath "com.novoda:bintray-release:$BINTRAY_RELEASE"
+    classpath "com.android.tools.build:gradle:4.1.3"
+    classpath 'com.vanniktech:gradle-maven-publish-plugin:0.20.0'
   }
 }
 
@@ -14,7 +13,6 @@ allprojects {
   repositories {
     google()
     mavenCentral()
-    jcenter()
   }
 }
 
diff --git a/gradle.properties b/gradle.properties
index dad606e..e7c83e3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,44 +1,49 @@
 # suppress inspection "UnusedProperty" for whole file
 
 # Compile SDK version (SDK platform to compile with)
-COMPILE_SDK_VERSION=android-28
+COMPILE_SDK_VERSION=android-31
 
 # Minimum SDK version (lowest SDK platform to target)
 MIN_SDK_VERSION=14
 
 # Target SDK version (highest SDK platform to target)
-TARGET_SDK_VERSION=28
+TARGET_SDK_VERSION=31
 
 # Current library version
-VERSION_NAME=2.1.1
-VERSION_CODE=21
+VERSION_NAME=2.1.2
+VERSION_CODE=22
 
 # Dependency versions (library)
 RXANDROID_VERSION=2.1.0
-RXJAVA_VERSION=2.2.5
-ANDROIDX_ANNOTATION_VERSION=1.0.1
-ANDROIDX_APPCOMPAT_VERSION=1.0.0
+RXJAVA_VERSION=2.2.9
+ANDROIDX_ANNOTATION_VERSION=1.2.0
+ANDROIDX_APPCOMPAT_VERSION=1.3.1
 ANDROIDX_FRAGMENT_VERSION=1.2.0-rc05
 
 # Dependency versions (plugins)
-GRADLE_PLUGIN_VERSION=3.3.0
-BINTRAY_RELEASE=0.9
+GRADLE_PLUGIN_VERSION=4.1.3
+
+android.useAndroidX=true
+android.enableJetifier=false
 
 # Maven
 USER_ORG=ivbaranov
+SONATYPE_HOST=DEFAULT
+RELEASE_SIGNING_ENABLED=true
 GROUP=com.github.ivbaranov
-ARTIFACT_ID=rxbluetooth2
-
-android.useAndroidX=true
-android.enableJetifier=false
 
 POM_DESCRIPTION=Android reactive bluetooth
+POM_INCEPTION_YEAR=2022
 POM_URL=https://github.com/ivbaranov/RxBluetooth
+
+POM_LICENSE_NAME=The Apache Software License, Version 2.0
+POM_LICENSE_URL=https://www.apache.org/licenses/LICENSE-2.0.txt
+POM_LICENSE_DIST=repo
+
 POM_SCM_URL=https://github.com/ivbaranov/RxBluetooth
 POM_SCM_CONNECTION=scm:git@github.com:ivbaranov/RxBluetooth.git
 POM_SCM_DEV_CONNECTION=scm:git@github.com:ivbaranov/RxBluetooth.git
-POM_LICENCE_NAME=Apache-2.0
-POM_LICENCE_URL=http://www.apache.org/licenses/LICENSE-2.0.txt
-POM_LICENCE_DIST=repo
+
 POM_DEVELOPER_ID=ivbaranov
-POM_DEVELOPER_NAME=Ivan Baranov
\ No newline at end of file
+POM_DEVELOPER_NAME=Ivan Baranov
+POM_DEVELOPER_URL=https://github.com/ivbaranov/
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 4e97471..3a2c678 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
+#Mon Jul 04 17:54:05 MSK 2022
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
diff --git a/rxbluetooth/build.gradle b/rxbluetooth/build.gradle
index 2302674..43d3991 100644
--- a/rxbluetooth/build.gradle
+++ b/rxbluetooth/build.gradle
@@ -1,5 +1,5 @@
 apply plugin: 'com.android.library'
-apply plugin: 'com.novoda.bintray-release'
+apply plugin: "com.vanniktech.maven.publish"
 
 android {
   compileSdkVersion COMPILE_SDK_VERSION
@@ -22,15 +22,3 @@ dependencies {
   api "io.reactivex.rxjava2:rxjava:$RXJAVA_VERSION"
   api "io.reactivex.rxjava2:rxandroid:$RXANDROID_VERSION"
 }
-
-publish {
-  userOrg = USER_ORG
-  groupId = GROUP
-  artifactId = ARTIFACT_ID
-  publishVersion = VERSION_NAME
-  desc = POM_DESCRIPTION
-  licences = [POM_LICENCE_NAME]
-  website = POM_URL
-}
-
-apply from: 'https://raw.github.com/chrisbanes/gradle-mvn-push/master/gradle-mvn-push.gradle'
diff --git a/rxbluetooth/src/main/AndroidManifest.xml b/rxbluetooth/src/main/AndroidManifest.xml
index ed345b0..6e6e8c2 100644
--- a/rxbluetooth/src/main/AndroidManifest.xml
+++ b/rxbluetooth/src/main/AndroidManifest.xml
@@ -2,6 +2,7 @@
           package="com.example.ivbaranov.rxbluetooth2">
 
   <uses-permission android:name="android.permission.BLUETOOTH" />
+  <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
   <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
   <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />