diff --git a/dependencies.gradle b/dependencies.gradle
index 54a6d70a21..f0e72f7194 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -1,4 +1,5 @@
 ext.versions = [
-        kotlin      : '1.3.61',
-        build_gradle: '3.6.0',
+        kotlin      : '1.3.70',
+        build_gradle: '3.6.1',
+        build_tools : '29.0.2',
 ]
diff --git a/tangem-core/build.gradle b/tangem-core/build.gradle
index a831d40268..b249e823d4 100644
--- a/tangem-core/build.gradle
+++ b/tangem-core/build.gradle
@@ -1,5 +1,6 @@
 apply plugin: "kotlin"
 apply plugin: 'org.jetbrains.dokka'
+apply plugin: 'com.github.dcendents.android-maven'
 apply from: '../dependencies.gradle'
 apply from: '../jitpack.gradle'
 
@@ -14,7 +15,7 @@ dependencies {
     implementation 'net.i2p.crypto:eddsa:0.3.0'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.5.2'
     testImplementation "com.google.truth:truth:1.0"
-    implementation "org.jetbrains.kotlin:kotlin-reflect:1.3.61"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$versions.kotlin"
 }
 
 sourceCompatibility = "8"
diff --git a/tangem-demo/build.gradle b/tangem-demo/build.gradle
index be66873c49..b1de1a90fd 100644
--- a/tangem-demo/build.gradle
+++ b/tangem-demo/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 android {
     compileSdkVersion 29
-    buildToolsVersion "29.0.0"
+    buildToolsVersion "29.0.2"
 
 
     defaultConfig {
diff --git a/tangem-sdk/build.gradle b/tangem-sdk/build.gradle
index e16a3e03a0..7c17de9137 100644
--- a/tangem-sdk/build.gradle
+++ b/tangem-sdk/build.gradle
@@ -1,6 +1,7 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'com.github.dcendents.android-maven'
 apply from: '../dependencies.gradle'
 apply from: '../jitpack.gradle'
 
@@ -9,7 +10,7 @@ version "$jitpackSdk.version"
 
 android {
     compileSdkVersion 29
-    buildToolsVersion "29.0.0"
+    buildToolsVersion "29.0.2"
 
 
     defaultConfig {