diff --git a/chapter-3/chapter-3-quarkus-rest-json/pom.xml b/chapter-3/chapter-3-quarkus-rest-json/pom.xml
index f3d3282f..aea0a709 100644
--- a/chapter-3/chapter-3-quarkus-rest-json/pom.xml
+++ b/chapter-3/chapter-3-quarkus-rest-json/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-3-quarkus-rest-json</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-4/chapter-4-quarkus-panache-activerecord/pom.xml b/chapter-4/chapter-4-quarkus-panache-activerecord/pom.xml
index 385bba27..59aa6a7e 100644
--- a/chapter-4/chapter-4-quarkus-panache-activerecord/pom.xml
+++ b/chapter-4/chapter-4-quarkus-panache-activerecord/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-4-quarkus-panache-activerecord</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-4/chapter-4-quarkus-panache-reactive-activerecord/pom.xml b/chapter-4/chapter-4-quarkus-panache-reactive-activerecord/pom.xml
index 41d640e4..bbcfb8ee 100644
--- a/chapter-4/chapter-4-quarkus-panache-reactive-activerecord/pom.xml
+++ b/chapter-4/chapter-4-quarkus-panache-reactive-activerecord/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-4-quarkus-panache-reactive-activerecord</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-4/chapter-4-quarkus-panache-reactive-repository/pom.xml b/chapter-4/chapter-4-quarkus-panache-reactive-repository/pom.xml
index 886179bc..7b236f78 100644
--- a/chapter-4/chapter-4-quarkus-panache-reactive-repository/pom.xml
+++ b/chapter-4/chapter-4-quarkus-panache-reactive-repository/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-4-quarkus-panache-reactive-repository</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-4/chapter-4-quarkus-panache-repository/pom.xml b/chapter-4/chapter-4-quarkus-panache-repository/pom.xml
index 6a64581d..a693520a 100644
--- a/chapter-4/chapter-4-quarkus-panache-repository/pom.xml
+++ b/chapter-4/chapter-4-quarkus-panache-repository/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-4-quarkus-panache-repository</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-5/chapter-5-quarkus-cloud-events/pom.xml b/chapter-5/chapter-5-quarkus-cloud-events/pom.xml
index b158fa99..2249828f 100644
--- a/chapter-5/chapter-5-quarkus-cloud-events/pom.xml
+++ b/chapter-5/chapter-5-quarkus-cloud-events/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-5-quarkus-cloud-events</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-5/chapter-5-quarkus-kafka-streams/pom.xml b/chapter-5/chapter-5-quarkus-kafka-streams/pom.xml
index 216ceaed..5b0196ae 100644
--- a/chapter-5/chapter-5-quarkus-kafka-streams/pom.xml
+++ b/chapter-5/chapter-5-quarkus-kafka-streams/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-5-quarkus-kafka-streams</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-5/chapter-5-quarkus-vertx-eventbus/pom.xml b/chapter-5/chapter-5-quarkus-vertx-eventbus/pom.xml
index 0d3b6e83..f6b8cabb 100644
--- a/chapter-5/chapter-5-quarkus-vertx-eventbus/pom.xml
+++ b/chapter-5/chapter-5-quarkus-vertx-eventbus/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-5-quarkus-vertx-eventbus</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-6/chapter-6-quarkus-rest-database/pom.xml b/chapter-6/chapter-6-quarkus-rest-database/pom.xml
index 36342a5a..85c9bbd2 100644
--- a/chapter-6/chapter-6-quarkus-rest-database/pom.xml
+++ b/chapter-6/chapter-6-quarkus-rest-database/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-6-quarkus-rest-database</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/chapter-6/chapter-6-quarkus-rest/pom.xml b/chapter-6/chapter-6-quarkus-rest/pom.xml
index d3eed116..c3ee2652 100644
--- a/chapter-6/chapter-6-quarkus-rest/pom.xml
+++ b/chapter-6/chapter-6-quarkus-rest/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>chapter-6-quarkus-rest</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <properties>
-    <assertj.version>3.26.3</assertj.version>
+    <assertj.version>3.27.0</assertj.version>
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <maven.compiler.release>17</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>