diff --git a/chapter-10/database-example/pom.xml b/chapter-10/database-example/pom.xml
index 8dbe9c80..e2fba1f1 100644
--- a/chapter-10/database-example/pom.xml
+++ b/chapter-10/database-example/pom.xml
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>io.smallrye.reactive</groupId>
             <artifactId>mutiny</artifactId>
-            <version>1.6.0</version>
+            <version>2.5.6</version>
         </dependency>
         <dependency>
             <groupId>io.smallrye.reactive</groupId>
diff --git a/chapter-5/reactive-programming-examples/pom.xml b/chapter-5/reactive-programming-examples/pom.xml
index 194f75a6..74334e98 100644
--- a/chapter-5/reactive-programming-examples/pom.xml
+++ b/chapter-5/reactive-programming-examples/pom.xml
@@ -17,7 +17,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <mutiny.version>1.6.0</mutiny.version>
+        <mutiny.version>2.5.6</mutiny.version>
         <mutiny-vertx.version>2.21.0</mutiny-vertx.version>
     </properties>
 
diff --git a/chapter-7/mutiny-examples/pom.xml b/chapter-7/mutiny-examples/pom.xml
index 628921bc..23f4dda8 100644
--- a/chapter-7/mutiny-examples/pom.xml
+++ b/chapter-7/mutiny-examples/pom.xml
@@ -17,7 +17,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <mutiny.version>1.6.0</mutiny.version>
+        <mutiny.version>2.5.6</mutiny.version>
         <mutiny-vertx.version>2.21.0</mutiny-vertx.version>
     </properties>