diff --git a/build.gradle b/build.gradle
index c5021e617..028ec0643 100644
--- a/build.gradle
+++ b/build.gradle
@@ -235,7 +235,7 @@ mixin {
 
 // add Distant Horizon's Core source folders
 sourceSets {
-    core {
+    main {
         java {
             srcDirs("core/src/main/java");
             srcDirs("core/src/main/resources")
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 7a3265ee9..7454180f2 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1d5b29fbd..ffed3a254 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-7.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-bin.zip