diff --git a/.travis.yml b/.travis.yml
index 1ae7e28..48cfc50 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,10 +7,11 @@ env:
   global:
     - ANDROID_API_LEVEL=26
     - EMULATOR_API_LEVEL=22
-    - ANDROID_BUILD_TOOLS_VERSION=26.0.0
+    - ANDROID_BUILD_TOOLS_VERSION=29.0.0
     - ANDROID_ABI=armeabi-v7a
     - ANDROID_TAG=google_apis
     - ANDROID_TARGET=android-$ANDROID_API_LEVEL
+    - ANDROID_ABI=armeabi-v7a
     - ADB_INSTALL_TIMEOUT=20 # minutes (2 minutes by default)
 
 android:
@@ -30,10 +31,10 @@ android:
     - extra-google-m2repository
     - extra-android-m2repository
     # Specify at least one system image
-    - sys-img-armeabi-v7a-android-$EMULATOR_API_LEVEL
+    - sys-img-$ANDROID_ABI-google_apis-$EMULATOR_API_LEVEL
 
 before_script:
-  - echo no | android create avd --force -n test -t android-$EMULATOR_API_LEVEL --abi armeabi-v7a
+  - echo no | android create avd --force -n test -t android-$EMULATOR_API_LEVEL --abi google_apis/$ANDROID_ABI
   - emulator -avd test -no-audio -no-window &
   - android-wait-for-emulator
   - adb shell input keyevent 82 &
diff --git a/build.gradle b/build.gradle
index 7fd981b..0ae8eb3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,15 +1,15 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.1.3-2'
+    ext.kotlin_version = '1.4.30'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-beta2'
+        classpath 'com.android.tools.build:gradle:4.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "com.dicedmelon.gradle:jacoco-android:0.1.1"
+        classpath "org.jacoco:org.jacoco.core:0.8.4"
 
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/cache/build.gradle b/cache/build.gradle
index 2bf9c33..3bda2a2 100644
--- a/cache/build.gradle
+++ b/cache/build.gradle
@@ -1,5 +1,7 @@
-apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android'
+plugins {
+    id 'com.android.library'
+    id 'kotlin-android'
+}
 
 android {
     def globalConfiguration = rootProject.extensions.getByName("ext")
diff --git a/dependencies.gradle b/dependencies.gradle
index 4956e37..bd6e608 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -1,14 +1,14 @@
 
 ext {
     //Android
-    androidBuildToolsVersion = "26.0.0"
-    androidMinSdkVersion = 15
-    androidTargetSdkVersion = 26
-    androidCompileSdkVersion = 26
+    androidBuildToolsVersion = "29.0.2"
+    androidMinSdkVersion = 21
+    androidTargetSdkVersion = 30
+    androidCompileSdkVersion = 30
 
     //Libraries
     kotlinVersion = '1.1.3-2'
-    rxKotlinVersion = '2.1.0'
+    rxKotlinVersion = '2.4.0'
     rxAndroidVersion = '2.0.1'
     javaxAnnotationVersion = '1.0'
     javaxInjectVersion = '1'
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index b242b1f..fb10c52 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Aug 11 10:04:50 IST 2017
+#Sun Mar 28 01:14:03 COT 2021
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
diff --git a/mobile-ui/build.gradle b/mobile-ui/build.gradle
index 582ac36..00ea0b5 100644
--- a/mobile-ui/build.gradle
+++ b/mobile-ui/build.gradle
@@ -1,8 +1,9 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
-apply plugin: 'kotlin-kapt'
-apply plugin: 'jacoco-android'
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'kotlin-android-extensions'
+    id 'kotlin-kapt'
+}
 
 android {
     def globalConfiguration = rootProject.extensions.getByName("ext")