diff --git a/app/build.gradle b/app/build.gradle
index ff40f86..7c02cdb 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,7 +38,6 @@ android {
     /*dexOptions {
         incremental false
     }*/
-    buildToolsVersion = buildToolsVersion1
     allprojects {
         tasks.withType(JavaCompile) {
             options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
@@ -60,17 +59,18 @@ dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     testImplementation 'junit:junit:4.13.2'
 
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'androidx.recyclerview:recyclerview:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'com.google.android.material:material:1.3.0'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
 
     implementation 'com.journeyapps:zxing-android-embedded:4.1.0'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'androidx.core:core:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.core:core:1.5.0'
 
 //    debugImplementation 'com.amitshekhar.android:debug-db:1.0.6'
 
+    implementation 'io.sentry:sentry-android:4.3.0'
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 }