diff --git a/chapter-3/chapter-3-quarkus-rest-json/pom.xml b/chapter-3/chapter-3-quarkus-rest-json/pom.xml
index d6587dba..d72143c4 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
diff --git a/chapter-4/chapter-4-quarkus-panache-activerecord/pom.xml b/chapter-4/chapter-4-quarkus-panache-activerecord/pom.xml
index ca61e77a..ba343dfc 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
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 c24e1ade..9c77d2c3 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
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 21157953..4e5278d1 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
diff --git a/chapter-4/chapter-4-quarkus-panache-repository/pom.xml b/chapter-4/chapter-4-quarkus-panache-repository/pom.xml
index a0a426e5..72c12d5e 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
diff --git a/chapter-5/chapter-5-quarkus-cloud-events/pom.xml b/chapter-5/chapter-5-quarkus-cloud-events/pom.xml
index ce1594c0..7fff843d 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
diff --git a/chapter-5/chapter-5-quarkus-kafka-streams/pom.xml b/chapter-5/chapter-5-quarkus-kafka-streams/pom.xml
index ae2d9449..577ef72f 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
diff --git a/chapter-5/chapter-5-quarkus-vertx-eventbus/pom.xml b/chapter-5/chapter-5-quarkus-vertx-eventbus/pom.xml
index 4e0ee648..45547827 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
diff --git a/chapter-6/chapter-6-quarkus-rest-database/pom.xml b/chapter-6/chapter-6-quarkus-rest-database/pom.xml
index bc2bbf4d..f8cd0d81 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>
diff --git a/chapter-6/chapter-6-quarkus-rest/pom.xml b/chapter-6/chapter-6-quarkus-rest/pom.xml
index 287cd595..ca8b1991 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>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
     <maven.compiler.source>11</maven.compiler.source>