diff --git a/bom/application/pom.xml b/bom/application/pom.xml
index 99f229b939117..df17c6acccc6b 100644
--- a/bom/application/pom.xml
+++ b/bom/application/pom.xml
@@ -127,7 +127,7 @@
         <rest-assured.version>4.4.0</rest-assured.version>
         <junit.jupiter.version>5.8.0</junit.jupiter.version>
         <testng.version>6.14.2</testng.version>
-        <assertj.version>3.20.2</assertj.version>
+        <assertj.version>3.21.0</assertj.version>
         <infinispan.version>12.1.7.Final</infinispan.version>
         <infinispan.protostream.version>4.4.1.Final</infinispan.protostream.version>
         <caffeine.version>2.9.2</caffeine.version>
diff --git a/independent-projects/arc/pom.xml b/independent-projects/arc/pom.xml
index 23a2695222316..ebc9cf5600870 100644
--- a/independent-projects/arc/pom.xml
+++ b/independent-projects/arc/pom.xml
@@ -41,7 +41,7 @@
         <version.jandex>2.4.0.Final</version.jandex>
         <version.junit5>5.8.0</version.junit5>
         <version.maven>3.8.1</version.maven>
-        <version.assertj>3.20.2</version.assertj>
+        <version.assertj>3.21.0</version.assertj>
         <version.jboss-logging>3.4.2.Final</version.jboss-logging>
         <version.jakarta-annotation>1.3.5</version.jakarta-annotation>
         <version.gizmo>1.0.9.Final</version.gizmo>
diff --git a/independent-projects/bootstrap/pom.xml b/independent-projects/bootstrap/pom.xml
index e88e34e25dcb3..97c27bbe31b97 100644
--- a/independent-projects/bootstrap/pom.xml
+++ b/independent-projects/bootstrap/pom.xml
@@ -27,7 +27,7 @@
         <version.surefire.plugin>3.0.0-M5</version.surefire.plugin>
         <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
 
-        <assertj.version>3.20.2</assertj.version>
+        <assertj.version>3.21.0</assertj.version>
     </properties>
     <modules>
         <module>bom</module>
diff --git a/independent-projects/resteasy-reactive/pom.xml b/independent-projects/resteasy-reactive/pom.xml
index 00de3eea26dcc..9edd244178bd3 100644
--- a/independent-projects/resteasy-reactive/pom.xml
+++ b/independent-projects/resteasy-reactive/pom.xml
@@ -40,7 +40,7 @@
         <version.jandex>2.4.0.Final</version.jandex>
         <version.junit5>5.8.0</version.junit5>
         <version.maven>3.8.1</version.maven>
-        <version.assertj>3.20.2</version.assertj>
+        <version.assertj>3.21.0</version.assertj>
         <version.jboss-logging>3.4.2.Final</version.jboss-logging>
         <version.jakarta-annotation>1.3.5</version.jakarta-annotation>
         <version.gizmo>1.0.9.Final</version.gizmo>
diff --git a/independent-projects/tools/pom.xml b/independent-projects/tools/pom.xml
index 171a46b117954..3d1ac979577fa 100644
--- a/independent-projects/tools/pom.xml
+++ b/independent-projects/tools/pom.xml
@@ -38,7 +38,7 @@
         <scala-plugin.version>4.4.0</scala-plugin.version>
 
         <!-- Versions -->
-        <assertj.version>3.20.2</assertj.version>
+        <assertj.version>3.21.0</assertj.version>
         <jackson.version>2.12.5</jackson.version>
         <jakarta.enterprise.cdi-api.version>2.0.2</jakarta.enterprise.cdi-api.version>
         <jakarta.servlet-api.version>4.0.3</jakarta.servlet-api.version>
diff --git a/tcks/microprofile-reactive-messaging/pom.xml b/tcks/microprofile-reactive-messaging/pom.xml
index 66f362f5c620b..e0a77ff0a6087 100644
--- a/tcks/microprofile-reactive-messaging/pom.xml
+++ b/tcks/microprofile-reactive-messaging/pom.xml
@@ -71,7 +71,7 @@
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>3.19.0</version>
+            <version>3.21.0</version>
         </dependency>
 
         <!-- Minimal test dependencies to *-deployment artifacts for consistent build order -->