diff --git a/log4j-parent/pom.xml b/log4j-parent/pom.xml
index 332ee652282..55ea38a0494 100644
--- a/log4j-parent/pom.xml
+++ b/log4j-parent/pom.xml
@@ -63,7 +63,7 @@
     <activemq.version>6.1.5</activemq.version>
     <angus-activation.version>2.0.2</angus-activation.version>
     <angus-mail.version>2.0.3</angus-mail.version>
-    <assertj.version>3.27.2</assertj.version>
+    <assertj.version>3.27.3</assertj.version>
     <awaitility.version>4.2.2</awaitility.version>
     <bsh.version>2.0b6</bsh.version>
     <cassandra.version>3.11.17</cassandra.version>
diff --git a/src/changelog/.2.x.x/update_org_assertj_assertj_core.xml b/src/changelog/.2.x.x/update_org_assertj_assertj_core.xml
new file mode 100644
index 00000000000..a147262348a
--- /dev/null
+++ b/src/changelog/.2.x.x/update_org_assertj_assertj_core.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entry xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns="https://logging.apache.org/xml/ns"
+       xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
+       type="updated">
+  <issue id="3404" link="https://github.com/apache/logging-log4j2/pull/3404"/>
+  <description format="asciidoc">Update `org.assertj:assertj-core` to version `3.27.3`</description>
+</entry>