diff --git a/project/plugins.sbt b/project/plugins.sbt
index 7268e444b..405b5a892 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -11,7 +11,7 @@ addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.0")
 addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.10.0")
 addSbtPlugin("com.thesamet" % "sbt-protoc" % sbtProtocV)
 addSbtPlugin("org.playframework.twirl" % "sbt-twirl" % "2.0.7")
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.0")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.1")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.13.1")
 addSbtPlugin("io.spray" % "sbt-revolver" % "0.10.0")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.4")
diff --git a/sbt-plugin/src/sbt-test/gen-scala-server/01-gen-basic-server/project/plugins.sbt b/sbt-plugin/src/sbt-test/gen-scala-server/01-gen-basic-server/project/plugins.sbt
index cf9abfec3..7832c9216 100644
--- a/sbt-plugin/src/sbt-test/gen-scala-server/01-gen-basic-server/project/plugins.sbt
+++ b/sbt-plugin/src/sbt-test/gen-scala-server/01-gen-basic-server/project/plugins.sbt
@@ -2,4 +2,4 @@ resolvers += "Akka library repository".at("https://repo.akka.io/maven")
 
 addSbtPlugin("com.lightbend.akka.grpc" % "sbt-akka-grpc" % sys.props("project.version"))
 
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.0")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.1")
diff --git a/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/project/plugins.sbt b/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/project/plugins.sbt
index cf9abfec3..7832c9216 100644
--- a/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/project/plugins.sbt
+++ b/sbt-plugin/src/sbt-test/gen-scala-server/07-gen-basic-server-with-akka-27/project/plugins.sbt
@@ -2,4 +2,4 @@ resolvers += "Akka library repository".at("https://repo.akka.io/maven")
 
 addSbtPlugin("com.lightbend.akka.grpc" % "sbt-akka-grpc" % sys.props("project.version"))
 
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.0")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.1")