diff --git a/app/build.gradle b/app/build.gradle
index e9f6dbf..48f1a6c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,7 +6,7 @@ android {
 
 	defaultConfig {
 		applicationId "com.example.fcm"
-		minSdkVersion 28
+		minSdkVersion compileAndTargetSdkVersion
 		targetSdkVersion compileAndTargetSdkVersion
 		versionCode 1
 		versionName "1.0"
@@ -36,9 +36,7 @@ android {
 }
 
 dependencies {
-	implementation('androidx.appcompat:appcompat:1.0.0') {
-		force = true
-	}
+	implementation 'androidx.appcompat:appcompat:1.0.2'
 	implementation 'com.google.firebase:firebase-core:17.0.0'
 	implementation 'com.google.firebase:firebase-messaging:19.0.1'
 }
diff --git a/build.gradle b/build.gradle
index 1b22ce8..eb9ba83 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,5 +21,5 @@ task clean(type: Delete) {
 }
 
 ext {
-	compileAndTargetSdkVersion = 28
+	compileAndTargetSdkVersion = 29
 }
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index db73afd..d48d05a 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-5.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.5-all.zip