diff --git a/pom.xml b/pom.xml
index 404c9a8da47..facbdeda7ce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -65,11 +65,11 @@
     </scm>
 
     <properties>
-        <metamx.java-util.version>0.27.2</metamx.java-util.version>
+        <metamx.java-util.version>0.27.3</metamx.java-util.version>
         <apache.curator.version>2.8.0</apache.curator.version>
         <jetty.version>9.2.13.v20150730</jetty.version>
         <jersey.version>1.19</jersey.version>
-        <druid.api.version>0.3.12</druid.api.version>
+        <druid.api.version>0.3.13</druid.api.version>
         <!-- Watch out for Hadoop compatibility when updating to >= 2.5; see https://github.com/druid-io/druid/pull/1669 -->
         <jackson.version>2.4.6</jackson.version>
         <log4j.version>2.3</log4j.version>
diff --git a/server/src/test/java/io/druid/segment/indexing/DataSchemaTest.java b/server/src/test/java/io/druid/segment/indexing/DataSchemaTest.java
index 219d86b649f..9059a7928d9 100644
--- a/server/src/test/java/io/druid/segment/indexing/DataSchemaTest.java
+++ b/server/src/test/java/io/druid/segment/indexing/DataSchemaTest.java
@@ -17,6 +17,7 @@
 
 package io.druid.segment.indexing;
 
+import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.InjectableValues;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.ImmutableList;
@@ -56,7 +57,7 @@ public class DataSchemaTest
                 new TimestampSpec("time", "auto", null),
                 new DimensionsSpec(ImmutableList.of("dimB", "dimA"), null, null)
             )
-        ), Map.class
+        ), new TypeReference<Map<String, Object>>() {}
     );
 
     DataSchema schema = new DataSchema(
@@ -85,7 +86,7 @@ public class DataSchemaTest
                 new TimestampSpec("time", "auto", null),
                 new DimensionsSpec(ImmutableList.of("time", "dimA", "dimB", "col2"), ImmutableList.of("dimC"), null)
             )
-        ), Map.class
+        ), new TypeReference<Map<String, Object>>() {}
     );
 
     DataSchema schema = new DataSchema(
@@ -114,7 +115,7 @@ public class DataSchemaTest
                 new TimestampSpec("time", "auto", null),
                 new DimensionsSpec(ImmutableList.of("time", "dimA", "dimB", "metric1"), ImmutableList.of("dimC"), null)
             )
-        ), Map.class
+        ), new TypeReference<Map<String, Object>>() {}
     );
 
     DataSchema schema = new DataSchema(
@@ -170,7 +171,8 @@ public class DataSchemaTest
                      + "\"parseSpec\":{"
                      + "\"format\":\"json\","
                      + "\"timestampSpec\":{\"column\":\"xXx\", \"format\": \"auto\", \"missingValue\": null},"
-                     + "\"dimensionsSpec\":{\"dimensions\":[], \"dimensionExclusions\":[], \"spatialDimensions\":[]}}"
+                     + "\"dimensionsSpec\":{\"dimensions\":[], \"dimensionExclusions\":[], \"spatialDimensions\":[]}},"
+                     + "\"encoding\":\"UTF-8\""
                      + "},"
                      + "\"metricsSpec\":[{\"type\":\"doubleSum\",\"name\":\"metric1\",\"fieldName\":\"col1\"}],"
                      + "\"granularitySpec\":{"
@@ -188,13 +190,13 @@ public class DataSchemaTest
     Assert.assertEquals(
         new DataSchema(
             "test",
-            jsonMapper.convertValue(
+            jsonMapper.<Map<String, Object>>convertValue(
                 new StringInputRowParser(
                     new JSONParseSpec(
                         new TimestampSpec("xXx", null, null),
                         new DimensionsSpec(null, null, null)
                     )
-                ), Map.class
+                ), new TypeReference<Map<String, Object>>() {}
             ),
             new AggregatorFactory[]{
                 new DoubleSumAggregatorFactory("metric1", "col1")