diff --git a/build.sbt b/build.sbt
index 8e43c85..2368941 100644
--- a/build.sbt
+++ b/build.sbt
@@ -36,7 +36,7 @@ libraryDependencies ++= Seq(
   "com.typesafe.play" %% "play-specs2" % playVersion % "test" cross CrossVersion.for3Use2_13,
   "org.webjars" % "bootstrap" % "3.1.1-2" % "test",
   "org.webjars" % "react" % "0.14.8" % "test",
-  "org.webjars" % "bootswatch-yeti" % "3.1.1+1" % "test"
+  "org.webjars" % "bootswatch-yeti" % "3.3.7" % "test"
 )
 
 libraryDependencies ~= {