diff --git a/CHANGELOG.org b/CHANGELOG.org
index f7c7bf7..9e0b643 100644
--- a/CHANGELOG.org
+++ b/CHANGELOG.org
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
    - Bump lombok from 1.18.4 to 1.18.6 (#165)
    - Bump spring-boot.version from 2.1.2.RELEASE to 2.1.3.RELEASE (#168)
+   - Bump assertj-core from 3.11.1 to 3.12.1 (#166)
 
 * [5.3.3] - 2019-02-02
 
diff --git a/builder/pom.xml b/builder/pom.xml
index 25b163b..87305b8 100644
--- a/builder/pom.xml
+++ b/builder/pom.xml
@@ -30,7 +30,7 @@
         <mapstream.version>3.1.12</mapstream.version>
         <map-builder.version>1.0.0</map-builder.version>
         <mockito.version>2.23.4</mockito.version>
-        <assertj.version>3.11.1</assertj.version>
+        <assertj.version>3.12.1</assertj.version>
         <conditional.version>0.7.0</conditional.version>
         <classgraph.version>4.6.29</classgraph.version>