diff --git a/CHANGELOG.md b/CHANGELOG.md
index a77921b..72d12a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@ on [Keep a CHANGELOG](http://keepachangelog.com/). This project adheres to
 
 ## [Unreleased]
 
+### Changed
+- Update event-store to 1.1.9
+
 ## [5.2.1] - 2019-03-21
 ### Changed
 - Update event-store to 1.1.8
diff --git a/pom.xml b/pom.xml
index 41fdac3..68bd17c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
         <cpp.repo.name>stream-transformation-tool</cpp.repo.name>
         <framework-api.version>3.1.1</framework-api.version>
         <framework.version>5.1.2</framework.version>
-        <event-store.version>1.1.8</event-store.version>
+        <event-store.version>1.1.9</event-store.version>
         <common-bom.version>1.28.0</common-bom.version>
         <utilities.version>1.16.2</utilities.version>
         <test-utils.version>1.18.1</test-utils.version>
diff --git a/stream-transformation-test/stream-transformation-it/pom.xml b/stream-transformation-test/stream-transformation-it/pom.xml
index b52d2e1..fd294b2 100644
--- a/stream-transformation-test/stream-transformation-it/pom.xml
+++ b/stream-transformation-test/stream-transformation-it/pom.xml
@@ -114,7 +114,7 @@
                             <groupId>uk.gov.justice</groupId>
                             <version>${project.version}</version>
                             <type>jar</type>
-                            <classifier>swarm</classifier>
+                            <classifier>thorntail</classifier>
                             <overWrite>true</overWrite>
                             <outputDirectory>${project.basedir}/target/test-classes
                             </outputDirectory>
diff --git a/stream-transformation-test/stream-transformation-performance-test/pom.xml b/stream-transformation-test/stream-transformation-performance-test/pom.xml
index 5b575c1..e70931e 100644
--- a/stream-transformation-test/stream-transformation-performance-test/pom.xml
+++ b/stream-transformation-test/stream-transformation-performance-test/pom.xml
@@ -77,7 +77,7 @@
                             <groupId>uk.gov.justice</groupId>
                             <version>${project.version}</version>
                             <type>jar</type>
-                            <classifier>swarm</classifier>
+                            <classifier>thorntail</classifier>
                             <overWrite>true</overWrite>
                             <outputDirectory>${project.basedir}/target/test-classes
                             </outputDirectory>