diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index d35e1d9..b3b1db6 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -3,8 +3,8 @@ import sbt._
 object Library {
 
   // Versions
-  val bndVersion = "4.2.0"
-  val specs2Version = "3.9.4"
+  val bndVersion = "5.1.2"
+  val specs2Version = "4.10.3"
 
   // Libraries
   val bndLib = "biz.aQute.bnd" % "biz.aQute.bndlib" % bndVersion
diff --git a/project/build.properties b/project/build.properties
index e2820dd..0837f7a 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1,2 +1 @@
-sbt.version=1.2.8
-
+sbt.version=1.3.13
diff --git a/src/main/scala/com/typesafe/sbt/osgi/Osgi.scala b/src/main/scala/com/typesafe/sbt/osgi/Osgi.scala
index 0395a34..ea3f06b 100644
--- a/src/main/scala/com/typesafe/sbt/osgi/Osgi.scala
+++ b/src/main/scala/com/typesafe/sbt/osgi/Osgi.scala
@@ -28,7 +28,7 @@ import sbt._
 import sbt.Keys._
 import sbt.Package.ManifestAttributes
 
-import scala.collection.JavaConversions._
+import scala.collection.JavaConverters._
 import scala.language.implicitConversions
 
 private object Osgi {
@@ -73,8 +73,8 @@ private object Osgi {
       builder.build
     }
     val log = streams.log
-    builder.getWarnings.foreach(s => log.warn(s"bnd: $s"))
-    builder.getErrors.foreach(s => log.error(s"bnd: $s"))
+    builder.getWarnings.asScala.foreach(s => log.warn(s"bnd: $s"))
+    builder.getErrors.asScala.foreach(s => log.error(s"bnd: $s"))
     jar.write(tmpArtifactPath)
     IO.move(tmpArtifactPath, artifactPath)
     artifactPath