diff --git a/buildSrc/src/main/resources/minimumCompilerVersion b/buildSrc/src/main/resources/minimumCompilerVersion
index da2d3988d..3cacc0b93 100644
--- a/buildSrc/src/main/resources/minimumCompilerVersion
+++ b/buildSrc/src/main/resources/minimumCompilerVersion
@@ -1 +1 @@
-14
\ No newline at end of file
+12
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6623300be..84a906615 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists