diff --git a/CI.adoc b/CI.adoc
index 207950573..d7b3c672a 100644
--- a/CI.adoc
+++ b/CI.adoc
@@ -30,7 +30,7 @@ Since the container is binding to your source, you can make edits from your IDE
 
 If you need to package things up, do this:
 
-1. `docker run -it --mount type=bind,source="$(pwd)",target=/spring-data-elasticsearch-github adoptopenjdk/openjdk8:latest /bin/bash`
+1. `docker run -it -v /var/run/docker.sock:/var/run/docker.sock --mount type=bind,source="$(pwd)",target=/spring-data-elasticsearch-github adoptopenjdk/openjdk8:latest /bin/bash`
 +
 This will launch the Docker image and mount your source code at `spring-data-elasticsearch-github`.
 +
diff --git a/CONTRIBUTING.adoc b/CONTRIBUTING.adoc
index f00759146..de521df6e 100644
--- a/CONTRIBUTING.adoc
+++ b/CONTRIBUTING.adoc
@@ -1,3 +1,7 @@
 = Spring Data contribution guidelines
 
 You find the contribution guidelines for Spring Data projects https://github.com/spring-projects/spring-data-build/blob/master/CONTRIBUTING.adoc[here].
+
+== Running the test locally
+
+In order to run the tests locally with `./mvnw test` you need to have docker running because Spring Data Elasticsearch uses https://www.testcontainers.org/[Testcontainers] to start a local running Elasticsearch instance.
diff --git a/pom.xml b/pom.xml
index 7a52616ae..bd5a5717a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 
     <properties>
         <commonslang>2.6</commonslang>
-        <elasticsearch>7.8.1</elasticsearch>
+        <elasticsearch>7.9.0</elasticsearch>
         <log4j>2.13.3</log4j>
         <netty>4.1.50.Final</netty>
         <springdata.commons>2.4.0-SNAPSHOT</springdata.commons>
diff --git a/src/main/asciidoc/preface.adoc b/src/main/asciidoc/preface.adoc
index 48740c4be..8e977baf4 100644
--- a/src/main/asciidoc/preface.adoc
+++ b/src/main/asciidoc/preface.adoc
@@ -34,9 +34,9 @@ The following table shows the Elasticsearch versions that are used by Spring Dat
 [cols="^,^,^,^",options="header"]
 |===
 | Spring Data Release Train |Spring Data Elasticsearch |Elasticsearch | Spring Boot
-| 2020.0.0footnote:cdv[Currently in development] |4.1.xfootnote:cdv[]|7.8.1 |2.3.xfootnote:cdv[]
+| 2020.0.0footnote:cdv[Currently in development] |4.1.xfootnote:cdv[]|7.9.0 |2.3.xfootnote:cdv[]
 | Neumann | 4.0.x | 7.6.2 |2.3.x
-| Moore | 3.2.x |6.8.10 | 2.2.x
+| Moore | 3.2.x |6.8.12 | 2.2.x
 | Lovelace | 3.1.x | 6.2.2 |2.1.x
 | Kayfootnote:oom[Out of maintenance] | 3.0.xfootnote:oom[] | 5.5.0 | 2.0.xfootnote:oom[]
 | Ingallsfootnote:oom[] | 2.1.xfootnote:oom[] | 2.4.0 | 1.5.xfootnote:oom[]
diff --git a/src/main/asciidoc/reference/elasticsearch-new.adoc b/src/main/asciidoc/reference/elasticsearch-new.adoc
index 09f1d69ec..9062ad225 100644
--- a/src/main/asciidoc/reference/elasticsearch-new.adoc
+++ b/src/main/asciidoc/reference/elasticsearch-new.adoc
@@ -4,7 +4,7 @@
 [[new-features.4-1-0]]
 == New in Spring Data Elasticsearch 4.1
 
-* Upgrade to Elasticsearch 7.8.1
+* Upgrade to Elasticsearch 7.9.0
 * Improved API for alias management
 * Introduction of `ReactiveIndexOperations` for index management
 * Index templates support
diff --git a/src/main/java/org/springframework/data/elasticsearch/client/util/NamedXContents.java b/src/main/java/org/springframework/data/elasticsearch/client/util/NamedXContents.java
index 482a3b76e..3e4a66463 100644
--- a/src/main/java/org/springframework/data/elasticsearch/client/util/NamedXContents.java
+++ b/src/main/java/org/springframework/data/elasticsearch/client/util/NamedXContents.java
@@ -60,10 +60,6 @@ import org.elasticsearch.search.aggregations.bucket.range.ParsedRange;
 import org.elasticsearch.search.aggregations.bucket.range.RangeAggregationBuilder;
 import org.elasticsearch.search.aggregations.bucket.sampler.InternalSampler;
 import org.elasticsearch.search.aggregations.bucket.sampler.ParsedSampler;
-import org.elasticsearch.search.aggregations.bucket.significant.ParsedSignificantLongTerms;
-import org.elasticsearch.search.aggregations.bucket.significant.ParsedSignificantStringTerms;
-import org.elasticsearch.search.aggregations.bucket.significant.SignificantLongTerms;
-import org.elasticsearch.search.aggregations.bucket.significant.SignificantStringTerms;
 import org.elasticsearch.search.aggregations.bucket.terms.DoubleTerms;
 import org.elasticsearch.search.aggregations.bucket.terms.LongTerms;
 import org.elasticsearch.search.aggregations.bucket.terms.ParsedDoubleTerms;
@@ -146,8 +142,6 @@ public class NamedXContents {
 		map.put(GeoDistanceAggregationBuilder.NAME, (p, c) -> ParsedGeoDistance.fromXContent(p, (String) c));
 		map.put(FiltersAggregationBuilder.NAME, (p, c) -> ParsedFilters.fromXContent(p, (String) c));
 		map.put(AdjacencyMatrixAggregationBuilder.NAME, (p, c) -> ParsedAdjacencyMatrix.fromXContent(p, (String) c));
-		map.put(SignificantLongTerms.NAME, (p, c) -> ParsedSignificantLongTerms.fromXContent(p, (String) c));
-		map.put(SignificantStringTerms.NAME, (p, c) -> ParsedSignificantStringTerms.fromXContent(p, (String) c));
 		map.put(ScriptedMetricAggregationBuilder.NAME, (p, c) -> ParsedScriptedMetric.fromXContent(p, (String) c));
 		map.put(IpRangeAggregationBuilder.NAME, (p, c) -> ParsedBinaryRange.fromXContent(p, (String) c));
 		map.put(TopHitsAggregationBuilder.NAME, (p, c) -> ParsedTopHits.fromXContent(p, (String) c));