diff --git a/bl/build.gradle b/bl/build.gradle
index a71548b..d0e721d 100644
--- a/bl/build.gradle
+++ b/bl/build.gradle
@@ -21,6 +21,6 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.appcompat:appcompat:1.0.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
 }
 
diff --git a/build.gradle b/build.gradle
index a960ab3..b3f60da 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.1'
+        classpath 'com.android.tools.build:gradle:4.2.1'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
diff --git a/gradle.properties b/gradle.properties
index 64f2558..506fc69 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -12,7 +12,7 @@
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
-VERSION_NAME=1.2.1
+VERSION_NAME=1.2.2
 VERSION_CODE=1
 BUILD_TOOLS_VERSION=28.0.3
 COMPILE_SDK_VERSION=28
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index a1e4611..3f72255 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip