diff --git a/project/Build.scala b/project/Build.scala
index 0f4f5f2..3391713 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -211,24 +211,24 @@ object Dependencies {
   final val groovyVersion      = "2.4.4"
   final val scalaParserVersion = "1.0.4"
   final val scalaXmlVersion    = "1.0.5"
-  final val gerweckUtilVersion = "1.3.15"
+  final val gerweckUtilVersion = "1.5.0"
   final val scalazVersion      = "7.1.3"
   final val shapelessVersion   = "2.2.5"
   final val scallopVersion     = "0.9.5"
 
-  val log4s       = "org.log4s"           %% "log4s"            % log4sVersion
-  val slf4j       = "org.slf4j"           %  "slf4j-api"        % slf4jVersion
-  val jclBridge   = "org.slf4j"           %  "jcl-over-slf4j"   % slf4jVersion
-  val log4jBridge = "org.slf4j"           %  "log4j-over-slf4j" % slf4jVersion
-  val logback     = "ch.qos.logback"      %  "logback-classic"  % logbackVersion
-  val threeTen    = "org.threeten"        %  "threetenbp"       % threeTenVersion
-  val spire       = "org.spire-math"      %% "spire"            % spireVersion
-  val commonsIo   = "commons-io"          %  "commons-io"       % commonsIoVersion
-  val groovy      = "org.codehaus.groovy" %  "groovy-all"       % groovyVersion
-  val gerweckUtil = "org.gerweck.scala"   %% "gerweck-utils"    % gerweckUtilVersion
-  val scalaz      = "org.scalaz"          %% "scalaz-core"      % scalazVersion
-  val shapeless   = "com.chuusai"         %% "shapeless"        % shapelessVersion
-  val scallop     = "org.rogach"          %% "scallop"          % scallopVersion
+  val log4s       = "org.log4s"           %% "log4s"               % log4sVersion
+  val slf4j       = "org.slf4j"           %  "slf4j-api"           % slf4jVersion
+  val jclBridge   = "org.slf4j"           %  "jcl-over-slf4j"      % slf4jVersion
+  val log4jBridge = "org.slf4j"           %  "log4j-over-slf4j"    % slf4jVersion
+  val logback     = "ch.qos.logback"      %  "logback-classic"     % logbackVersion
+  val threeTen    = "org.threeten"        %  "threetenbp"          % threeTenVersion
+  val spire       = "org.spire-math"      %% "spire"               % spireVersion
+  val commonsIo   = "commons-io"          %  "commons-io"          % commonsIoVersion
+  val groovy      = "org.codehaus.groovy" %  "groovy-all"          % groovyVersion
+  val gerweckUtil = "org.gerweck.scala"   %% "gerweck-utils-java8" % gerweckUtilVersion
+  val scalaz      = "org.scalaz"          %% "scalaz-core"         % scalazVersion
+  val shapeless   = "com.chuusai"         %% "shapeless"           % shapelessVersion
+  val scallop     = "org.rogach"          %% "scallop"             % scallopVersion
 
   val commonsVfs = {
     val base      = "org.apache.commons"  %  "commons-vfs2"     % commonsVfsVersion