diff --git a/build.gradle b/build.gradle
index 3774dbb9..e7dbd2c5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -82,7 +82,7 @@ buildscript {
 }
 
 plugins {
-    id 'nebula.ospackage' version "8.3.0"
+    id 'com.netflix.nebula.ospackage' version "11.6.0"
     id "com.dorongold.task-tree" version "1.5"
     id "jacoco"
 }
@@ -166,15 +166,14 @@ repositories {
 
 compileKotlin {
     kotlinOptions {
-        // This should be 11, but the OpenSearch logger usage checker tool doesn't like classes > 1.8
-        jvmTarget = "1.8"
+        jvmTarget = "11"
         freeCompilerArgs = ['-Xjsr305=strict'] // Handle OpenSearch @Nullable annotation correctly
     }
 }
 
 compileTestKotlin {
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
         freeCompilerArgs = ['-Xjsr305=strict']
     }
 }
@@ -536,7 +535,7 @@ jacocoTestReport {
     dependsOn test
     dependsOn integTest
     reports {
-        xml.enabled true
+        xml.required.set(true)
     }
     // We're combining the coverage data for both test and integ tests.
     getExecutionData().setFrom(fileTree(buildDir).include("/jacoco/*.exec"))
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 68efe1de..8d687878 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -11,6 +11,6 @@
 
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists