diff --git a/app/build.gradle b/app/build.gradle
index 8be6049bd6..14e4a65177 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -57,7 +57,6 @@ android {
         exclude 'lib/x86_64/freebsd/libscrypt.so'
         exclude 'lib/x86_64/linux/libscrypt.so'
     }
-    buildToolsVersion '29.0.3'
 }
 
 repositories {
@@ -67,12 +66,12 @@ repositories {
 dependencies {
     implementation fileTree(include: ['*.aar'], dir: 'libs')
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin"
-    implementation 'androidx.core:core-ktx:1.3.2'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.core:core-ktx:1.6.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.fragment:fragment-ktx:1.3.5'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
-    implementation 'com.google.android.material:material:1.3.0'
-    implementation "androidx.core:core-ktx:1.3.2"
+    implementation 'com.google.android.material:material:1.4.0'
+    implementation "androidx.core:core-ktx:1.6.0"
     implementation 'com.google.android.play:core:1.10.0'
     implementation 'com.google.android.play:core-ktx:1.8.1'
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
diff --git a/build.gradle b/build.gradle
index f2dcf4b2fe..0ac373259b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,9 +10,8 @@ buildscript {
         classpath "com.android.tools.build:gradle:${versions.build_gradle}"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
         classpath "com.github.dcendents:android-maven-gradle-plugin:2.1"
-        classpath 'com.google.gms:google-services:4.3.5'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.4.1'
-//        classpath 'com.google.firebase:perf-plugin:1.3.1'
+        classpath 'com.google.gms:google-services:4.3.8'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.7.1'
     }
 }
 
diff --git a/dependencies.gradle b/dependencies.gradle
index 32b0ea5280..e4beaa5aaa 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -1,4 +1,4 @@
 ext.versions = [
-        kotlin      : '1.5.10',
-        build_gradle: '4.2.1',
+        kotlin      : '1.5.20',
+        build_gradle: '4.2.2',
 ]