diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 26271740c..3da73e3cc 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -5,8 +5,8 @@ object Dependencies {
   val scala211 = "2.11.8"
   val scala212 = "2.12.1"
 
-  private val ioVersion = "1.0.0-M9"
-  private val utilVersion = "1.0.0-M20"
+  private val ioVersion = "1.0.0-M10"
+  private val utilVersion = "1.0.0-M22"
 
   private val sbtIO = "org.scala-sbt" %% "io" % ioVersion