diff --git a/project/build.scala b/project/build.scala
index 14a6cf0..4e24f8b 100644
--- a/project/build.scala
+++ b/project/build.scala
@@ -30,6 +30,7 @@
         "org.json4s" %% "json4s-jackson" % "3.2.4",
         "commons-io" % "commons-io" % "2.4",
         "org.pegdown" % "pegdown" % "1.2.1",
+        "org.apache.commons" % "commons-compress" % "1.5",
         "com.h2database" % "h2" % "1.3.171",
         "ch.qos.logback" % "logback-classic" % "1.0.6" % "runtime",
         "org.eclipse.jetty" % "jetty-webapp" % "8.1.8.v20121106" % "container",