diff --git a/GBDaoGenerator/build.gradle b/GBDaoGenerator/build.gradle
index ea36256bf..64d00d2ef 100644
--- a/GBDaoGenerator/build.gradle
+++ b/GBDaoGenerator/build.gradle
@@ -30,3 +30,5 @@ task genSources(type: JavaExec) {
 artifacts {
     archives jar
 }
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
diff --git a/build.gradle b/build.gradle
index d42184137..e9fe5bc29 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:4.2.0'
 
         classpath 'gradle.plugin.com.github.spotbugs:spotbugs-gradle-plugin:2.0.0'
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e1d88e631..472f6bb69 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-6.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip