diff --git a/build.sbt b/build.sbt
index 60da603..dbd5567 100644
--- a/build.sbt
+++ b/build.sbt
@@ -15,7 +15,8 @@
 // dependency settings
 resolvers ++= Seq(
   Classpaths.typesafeReleases,
-  "sonatype-snapshot" at "https://oss.sonatype.org/content/repositories/snapshots/"
+  "sonatype-snapshot" at "https://oss.sonatype.org/content/repositories/snapshots/",
+  "amateras-snapshot" at "http://amateras.sourceforge.jp/mvn-snapshot/"
 )
 libraryDependencies ++= Seq(
   "org.eclipse.jgit"          % "org.eclipse.jgit.http.server" % "4.1.1.201511131810-r",