diff --git a/build.sbt b/build.sbt
index 6e332c9c99..260477a124 100644
--- a/build.sbt
+++ b/build.sbt
@@ -130,7 +130,7 @@ assembly / assemblyExcludedJars := {
 // protocol配下とルートのLICENSEが衝突してCIが落ちる
 // cf. https://github.com/sbt/sbt-assembly/issues/141
 assembly / assemblyMergeStrategy := {
-  case PathList(ps @ _*) if ps.last endsWith "LICENSE" => MergeStrategy.first
+  case PathList(ps @ _*) if ps.last endsWith "LICENSE" => MergeStrategy.rename
   case otherFile =>
     val oldStrategy = (assembly / assemblyMergeStrategy).value
     oldStrategy(otherFile)