diff --git a/src/main/java/com/googlesource/gerrit/plugins/quota/MaxRepositorySizeQuota.java b/src/main/java/com/googlesource/gerrit/plugins/quota/MaxRepositorySizeQuota.java
index ab132db..26c2a08 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/quota/MaxRepositorySizeQuota.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/quota/MaxRepositorySizeQuota.java
@@ -46,7 +46,7 @@
 import java.util.Optional;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicLong;
-import org.apache.commons.lang.mutable.MutableLong;
+import org.apache.commons.lang3.mutable.MutableLong;
 import org.eclipse.jgit.internal.storage.file.FileRepository;
 import org.eclipse.jgit.internal.storage.file.GC;
 import org.eclipse.jgit.internal.storage.file.GC.RepoStatistics;