diff --git a/build.sbt b/build.sbt
index bec6384..95d00ab 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 lazy val commonSettings = Seq(
   organization := "com.nulabinc",
-  version      := "0.6.4-SNAPSHOT",
+  version      := "0.6.4",
   scalaVersion := "2.13.6",
   scalacOptions ++= Seq(
     "-deprecation",
diff --git a/src/main/resources/application.conf b/src/main/resources/application.conf
index 2898192..fc0f03a 100644
--- a/src/main/resources/application.conf
+++ b/src/main/resources/application.conf
@@ -1,6 +1,6 @@
 application {
   name = "Backlog Migration for Jira"
-  version = "0.6.4-SNAPSHOT"
+  version = "0.6.4"
   title = ${application.name} ${application.version} (c) nulab.inc
   fileName = backlog-migration-jira-${application.version}.jar
   product = "jira"