diff --git a/gradle/validation/rat-sources.gradle b/gradle/validation/rat-sources.gradle
index dce061407ca..4c30300382a 100644
--- a/gradle/validation/rat-sources.gradle
+++ b/gradle/validation/rat-sources.gradle
@@ -248,6 +248,9 @@ allprojects {
       }
     })
     inputFileTrees.add(defaultScanFileTree)
+
+    // RAT is noisy, even when there's no problem.  So log at DEBUG
+    logging.captureStandardOutput(LogLevel.DEBUG)
   }
 }