diff --git a/build.sbt b/build.sbt
index c055593..187dc70 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,19 +1,20 @@
 group("org.hammerlab.genomics")
 name := "loci"
-
-github.repo("genomic-loci")
+v"2.0.3"
 
 addSparkDeps
 
+import genomics.reference
+
 dep(
-  args4j,
-  args4s       % "1.3.1",
-  htsjdk,
-  iterators    % "2.0.0",
-  paths        % "1.4.0",
-  reference    % "1.4.2" + testtest,
-  scalautils,
-  spark_util   % "2.0.2",
+        args4j,
+        args4s % "1.3.1",
+        htsjdk,
+     iterators % "2.1.0",
+         paths % "1.5.0",
+     reference % "1.4.3" + testtest,
+    scalautils,
+    spark_util % "2.0.3",
   string_utils % "1.2.0"
 )
 
@@ -28,3 +29,5 @@ shadeRenames += "com.google.thirdparty.**" → "org.hammerlab.guava.@1"
 publishThinShadedJar
 
 publishTestJar
+
+github.repo("genomic-loci")
diff --git a/project/build.properties b/project/build.properties
index 8b697bb..31334bb 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.1.0
+sbt.version=1.1.1
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 0003a9d..93d8288 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1 @@
-addSbtPlugin("org.hammerlab.sbt" % "base" % "4.2.0")
+addSbtPlugin("org.hammerlab.sbt" % "base" % "4.4.2")
diff --git a/src/test/scala/org/hammerlab/genomics/loci/iterator/SkippableLociIteratorSuite.scala b/src/test/scala/org/hammerlab/genomics/loci/iterator/SkippableLociIteratorSuite.scala
index 3a1c178..50041c2 100644
--- a/src/test/scala/org/hammerlab/genomics/loci/iterator/SkippableLociIteratorSuite.scala
+++ b/src/test/scala/org/hammerlab/genomics/loci/iterator/SkippableLociIteratorSuite.scala
@@ -1,9 +1,9 @@
 package org.hammerlab.genomics.loci.iterator
 
+import hammerlab.test.Suite
 import org.hammerlab.genomics.reference.test.IntervalsUtil
 import org.hammerlab.genomics.reference.test.LociConversions._
 import org.hammerlab.genomics.reference.{ Interval, Locus }
-import org.hammerlab.test.Suite
 
 class SkippableLociIteratorSuite
   extends Suite
diff --git a/src/test/scala/org/hammerlab/genomics/loci/map/ContigSuite.scala b/src/test/scala/org/hammerlab/genomics/loci/map/ContigSuite.scala
index 11d45f8..4a6fb20 100644
--- a/src/test/scala/org/hammerlab/genomics/loci/map/ContigSuite.scala
+++ b/src/test/scala/org/hammerlab/genomics/loci/map/ContigSuite.scala
@@ -1,10 +1,10 @@
 package org.hammerlab.genomics.loci.map
 
 import com.google.common.collect.{ ImmutableRangeMap, Range }
+import hammerlab.test.Suite
 import org.hammerlab.genomics.reference.Locus
-import org.hammerlab.genomics.reference.test.{ ClearContigNames, ContigNameConversions }
 import org.hammerlab.genomics.reference.test.LociConversions._
-import org.hammerlab.test.Suite
+import org.hammerlab.genomics.reference.test.{ ClearContigNames, ContigNameConversions }
 
 class ContigSuite
   extends Suite
diff --git a/src/test/scala/org/hammerlab/genomics/loci/map/LociMapSuite.scala b/src/test/scala/org/hammerlab/genomics/loci/map/LociMapSuite.scala
index 7cb20db..363b257 100644
--- a/src/test/scala/org/hammerlab/genomics/loci/map/LociMapSuite.scala
+++ b/src/test/scala/org/hammerlab/genomics/loci/map/LociMapSuite.scala
@@ -1,10 +1,10 @@
 package org.hammerlab.genomics.loci.map
 
+import hammerlab.test.Suite
 import org.hammerlab.genomics.loci.set.test.LociSetUtil
 import org.hammerlab.genomics.reference.Interval
 import org.hammerlab.genomics.reference.test.LociConversions.intToLocus
 import org.hammerlab.genomics.reference.test.{ ClearContigNames, ContigNameConversions }
-import org.hammerlab.test.Suite
 
 class LociMapSuite
   extends Suite
diff --git a/src/test/scala/org/hammerlab/genomics/loci/parsing/ParsedLociSuite.scala b/src/test/scala/org/hammerlab/genomics/loci/parsing/ParsedLociSuite.scala
index 830fd0b..b1e5eb5 100644
--- a/src/test/scala/org/hammerlab/genomics/loci/parsing/ParsedLociSuite.scala
+++ b/src/test/scala/org/hammerlab/genomics/loci/parsing/ParsedLociSuite.scala
@@ -1,9 +1,9 @@
 package org.hammerlab.genomics.loci.parsing
 
+import hammerlab.test.Suite
 import org.hammerlab.genomics.loci.set.test.LociSetUtil
 import org.hammerlab.genomics.reference.test.ClearContigNames
 import org.hammerlab.genomics.reference.test.LociConversions.intToLocus
-import org.hammerlab.test.Suite
 import org.hammerlab.test.resources.File
 
 class ParsedLociSuite
diff --git a/src/test/scala/org/hammerlab/genomics/loci/set/LociIteratorSuite.scala b/src/test/scala/org/hammerlab/genomics/loci/set/LociIteratorSuite.scala
index 322127a..0459d91 100644
--- a/src/test/scala/org/hammerlab/genomics/loci/set/LociIteratorSuite.scala
+++ b/src/test/scala/org/hammerlab/genomics/loci/set/LociIteratorSuite.scala
@@ -1,9 +1,9 @@
 package org.hammerlab.genomics.loci.set
 
+import hammerlab.test.Suite
 import org.hammerlab.genomics.loci.iterator.LociIterator
 import org.hammerlab.genomics.reference.Interval
 import org.hammerlab.genomics.reference.test.LociConversions._
-import org.hammerlab.test.Suite
 
 class LociIteratorSuite extends Suite {
 
diff --git a/src/test/scala/org/hammerlab/genomics/loci/set/SerializerSuite.scala b/src/test/scala/org/hammerlab/genomics/loci/set/SerializerSuite.scala
index 0b86377..83b5ba8 100644
--- a/src/test/scala/org/hammerlab/genomics/loci/set/SerializerSuite.scala
+++ b/src/test/scala/org/hammerlab/genomics/loci/set/SerializerSuite.scala
@@ -109,7 +109,7 @@ object Helpers {
 
   /**
    * Isolate this method in its own object because otherwise ClosureCleaner will attempt to Java-serialize the enclosing
-   * [[org.hammerlab.test.Suite]], which errors due to a non-serializable [[org.scalatest.Assertions]].AssertionsHelper
+   * [[hammerlab.test.Suite]], which errors due to a non-serializable [[org.scalatest.Assertions]].AssertionsHelper
    * member inherited from [[org.scalatest.FunSuite]]. See https://github.com/scalatest/scalatest/issues/1013.
    */
   def mapTask(implicit factory: Factory) =