diff --git a/build.sbt b/build.sbt
index 825a231..45c3a85 100644
--- a/build.sbt
+++ b/build.sbt
@@ -39,7 +39,7 @@ lazy val infrastructure = addJmh(project).settings(
   autoScalaLibrary := false,
   crossPaths := false,
   libraryDependencies ++= Seq(
-    "org.influxdb" % "influxdb-java" % "2.5", // TODO update to 2.6 when released for fix for https://github.com/influxdata/influxdb-java/issues/269
+    "org.influxdb" % "influxdb-java" % "2.21",
     "org.eclipse.jgit" % "org.eclipse.jgit" % "4.6.0.201612231935-r",
     "com.google.guava" % "guava" % "21.0",
     "org.apache.commons" % "commons-lang3" % "3.5",
diff --git a/infrastructure/src/main/java/scala/bench/DataMigrator.java b/infrastructure/src/main/java/scala/bench/DataMigrator.java
index a83b455..72a5aa6 100644
--- a/infrastructure/src/main/java/scala/bench/DataMigrator.java
+++ b/infrastructure/src/main/java/scala/bench/DataMigrator.java
@@ -5,6 +5,7 @@
 import org.influxdb.dto.Point;
 import org.influxdb.dto.Query;
 import org.influxdb.dto.QueryResult;
+import org.influxdb.impl.TimeUtil;
 
 import java.time.Instant;
 import java.util.*;
@@ -31,39 +32,32 @@ public static void main(String[] args) {
             //time written
             //---- -------
             //0    14076
-            String oldMeasure = "result_backup_20210519";
+            String oldMeasure = "result_backup_20210525";
             String newMeasure = "result";
-
             QueryResult queryResult = influxDB.query(new Query("select * from " + oldMeasure + " group by *", "scala_benchmark"));
             for (QueryResult.Result result : queryResult.getResults()) {
                 for (QueryResult.Series series : result.getSeries()) {
-                    List<String> newFieldNames = new ArrayList<>(series.getColumns());
-                    int javaVersionIndex = newFieldNames.indexOf(JAVA_VERSION_TAG_NAME);
-                    newFieldNames.remove(javaVersionIndex);
-                    assert (newFieldNames.get(0).equals("time"));
-                    newFieldNames.remove(0);
                     Point.Builder builder = Point.measurement(newMeasure);
                     Map<String, String> newTags = new HashMap<>(series.getTags());
+                    String javaVersion = newTags.get(JAVA_VERSION_TAG_NAME);
+                    if (javaVersion.equals("1.8.0_131-b11")) {
+                        newTags.put(JAVA_VERSION_TAG_NAME, "1.8.0_131");
+                    }
+
+                    assert (series.getValues().size() == 1);
                     List<Object> newValues = new ArrayList<>(series.getValues().get(0));
-                    Object removed = newValues.remove(javaVersionIndex);
-                    String time = (String) newValues.remove(0);
-                    newTags.put(JAVA_VERSION_TAG_NAME, (String) removed);
-                    newTags.entrySet().removeIf(x -> x.getValue() == null || x.getValue().equals(""));
                     builder.tag(newTags);
+
+                    List<String> newFieldNames = new ArrayList<>(series.getColumns());
                     LinkedHashMap<String, Object> newFieldsMap = new LinkedHashMap<>();
                     assert (newFieldNames.size() == newValues.size());
                     for (int i = 0; i < newFieldNames.size(); i++) {
                         String fieldName = newFieldNames.get(i);
-                        boolean isLong = fieldName.equals("sampleCount");
-                        if (isLong) {
-                            newFieldsMap.put(fieldName, ((Number) newValues.get(i)).longValue());
-                        } else {
-                            newFieldsMap.put(fieldName, newValues.get(i));
-                        }
+                        newFieldsMap.put(fieldName, newValues.get(i));
                     }
                     builder.fields(newFieldsMap);
-                    Instant parse = Instant.parse(time);
-                    builder.time(parse.toEpochMilli(), TimeUnit.MILLISECONDS);
+                    long epochMillis = (long) newValues.remove(0) / 1000L / 1000L;
+                    builder.time(epochMillis, TimeUnit.MILLISECONDS);
                     Point point = builder.build();
                     batchPoints.point(point);
                 }
diff --git a/infrastructure/src/main/java/scala/bench/Database.java b/infrastructure/src/main/java/scala/bench/Database.java
index fef36d5..8929656 100644
--- a/infrastructure/src/main/java/scala/bench/Database.java
+++ b/infrastructure/src/main/java/scala/bench/Database.java
@@ -30,20 +30,7 @@ public static InfluxDB connectDb() {
         client.connectTimeout(10, TimeUnit.SECONDS);
         client.readTimeout(120, TimeUnit.SECONDS);
         client.writeTimeout(120, TimeUnit.SECONDS);
-
-        // workaround https://github.com/influxdata/influxdb-java/issues/268
-        client.addNetworkInterceptor(chain -> {
-            HttpUrl.Builder fixedUrl = chain.request().url().newBuilder().encodedPath("/influx/" + chain.request().url().encodedPath().replaceFirst("/influxdb", ""));
-            return chain.proceed(chain.request().newBuilder().url(fixedUrl.build()).build());
-        });
-
-        client.authenticator((route, response) -> {
-            String credential = Credentials.basic(influxUser, influxPassword);
-            return response.request().newBuilder()
-                    .header("Authorization", credential)
-                    .build();
-        });
-        InfluxDB influxDB = InfluxDBFactory.connect(influxUrl, influxUser, influxPassword, client);
+        InfluxDB influxDB = InfluxDBFactory.connect(influxUrl, influxUser, influxPassword, client, InfluxDB.ResponseFormat.MSGPACK);
         // influxDB.setLogLevel(InfluxDB.LogLevel.FULL);
         return influxDB;
     }