diff --git a/build.gradle b/build.gradle
index 60b6c4e6..c821d9a0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ plugins {
     id 'java-library'
 
     // For Sonarcloud code coverage testing, these are useful.
-    id 'org.sonarqube' version '3.3'
+    id 'org.sonarqube' version '4.0.0.2929'
     id 'jacoco'
 
     // For publishing to Maven Central, we'll want these.