diff --git a/app/build.gradle b/app/build.gradle
index 4cd8102abb584b523d6c883f4303c1607e4d6dd3..8ee382b9b00c77ba0dc5fe67621829bfd8cfe7b1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
     compileOptions.encoding = 'UTF-8'
 
     defaultConfig {
         applicationId "foundation.e.camera"
-        minSdkVersion 15
-        targetSdkVersion 28
+        minSdkVersion 21
+        targetSdkVersion 29
 
         renderscriptTargetApi 21
         //renderscriptSupportModeEnabled true // don't use support library as it bloats the APK, and we don't need pre-4.4 support
@@ -38,6 +38,7 @@ android {
 }
 
 dependencies {
+    //noinspection GradleCompatible
     implementation 'com.android.support:support-v4:28.0.0'
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13'
 }
diff --git a/build.gradle b/build.gradle
index 6fe5d2708d9736634133c628a4a086f5a0f667f9..17457e9c801d112f68bc973d4717530ca297b02c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:3.6.1'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c800beb0ca52ad07216c4f6823dabba19ac1c695..21127bfd87fe70b9629ec55bfad1bf97e7cab047 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-5.6.4-all.zip