diff --git a/section-1/step-01/pom.xml b/section-1/step-01/pom.xml
index 5278e3b..a84d385 100644
--- a/section-1/step-01/pom.xml
+++ b/section-1/step-01/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-02/pom.xml b/section-1/step-02/pom.xml
index b5e3897..246001c 100644
--- a/section-1/step-02/pom.xml
+++ b/section-1/step-02/pom.xml
@@ -18,7 +18,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-03/pom.xml b/section-1/step-03/pom.xml
index 1102f60..5138e1e 100644
--- a/section-1/step-03/pom.xml
+++ b/section-1/step-03/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-04/pom.xml b/section-1/step-04/pom.xml
index bf0e90f..2b2619f 100644
--- a/section-1/step-04/pom.xml
+++ b/section-1/step-04/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-05/pom.xml b/section-1/step-05/pom.xml
index 24ca663..312295f 100644
--- a/section-1/step-05/pom.xml
+++ b/section-1/step-05/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-06/pom.xml b/section-1/step-06/pom.xml
index 2b655a5..56ba73b 100644
--- a/section-1/step-06/pom.xml
+++ b/section-1/step-06/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-07/pom.xml b/section-1/step-07/pom.xml
index 01a3da8..85c0ce7 100644
--- a/section-1/step-07/pom.xml
+++ b/section-1/step-07/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-08-mcp-server/pom.xml b/section-1/step-08-mcp-server/pom.xml
index 3f3d1ae..b9484bd 100644
--- a/section-1/step-08-mcp-server/pom.xml
+++ b/section-1/step-08-mcp-server/pom.xml
@@ -19,7 +19,7 @@
         <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
 
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
 
         <skipITs>true</skipITs>
         <surefire-plugin.version>3.5.4</surefire-plugin.version>
diff --git a/section-1/step-08/pom.xml b/section-1/step-08/pom.xml
index 7ddf43e..fe101e4 100644
--- a/section-1/step-08/pom.xml
+++ b/section-1/step-08/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-09/pom.xml b/section-1/step-09/pom.xml
index c939705..047b904 100644
--- a/section-1/step-09/pom.xml
+++ b/section-1/step-09/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-10/pom.xml b/section-1/step-10/pom.xml
index e5328f7..e3249fa 100644
--- a/section-1/step-10/pom.xml
+++ b/section-1/step-10/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-1/step-11/pom.xml b/section-1/step-11/pom.xml
index fc5c4d2..369bd39 100644
--- a/section-1/step-11/pom.xml
+++ b/section-1/step-11/pom.xml
@@ -17,7 +17,7 @@
         <compiler-plugin.version>3.14.1</compiler-plugin.version>
 
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
         <jlama.version>0.8.4</jlama.version>
     </properties>
 
diff --git a/section-2/step-01/pom.xml b/section-2/step-01/pom.xml
index 4fe75f3..1ecd2b9 100644
--- a/section-2/step-01/pom.xml
+++ b/section-2/step-01/pom.xml
@@ -15,7 +15,7 @@
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
         <skipITs>true</skipITs>
         <surefire-plugin.version>3.5.4</surefire-plugin.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-2/step-02/pom.xml b/section-2/step-02/pom.xml
index 60837ce..fd2a2b5 100644
--- a/section-2/step-02/pom.xml
+++ b/section-2/step-02/pom.xml
@@ -16,7 +16,7 @@
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
         <skipITs>true</skipITs>
         <surefire-plugin.version>3.5.4</surefire-plugin.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-2/step-03/pom.xml b/section-2/step-03/pom.xml
index eb9d4f6..9c53197 100644
--- a/section-2/step-03/pom.xml
+++ b/section-2/step-03/pom.xml
@@ -16,7 +16,7 @@
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
         <skipITs>true</skipITs>
         <surefire-plugin.version>3.5.4</surefire-plugin.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
     </properties>
 
     <dependencyManagement>
diff --git a/section-2/step-04/multi-agent-system/pom.xml b/section-2/step-04/multi-agent-system/pom.xml
index 9dc363f..3442761 100644
--- a/section-2/step-04/multi-agent-system/pom.xml
+++ b/section-2/step-04/multi-agent-system/pom.xml
@@ -16,7 +16,7 @@
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
         <skipITs>true</skipITs>
         <surefire-plugin.version>3.5.4</surefire-plugin.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
         <langchain4j.version>1.6.0</langchain4j.version>
         <langchain4j-beta.version>1.8.0-beta15</langchain4j-beta.version>
     </properties>
diff --git a/section-2/step-04/remote-a2a-agent/pom.xml b/section-2/step-04/remote-a2a-agent/pom.xml
index 240a205..240465f 100644
--- a/section-2/step-04/remote-a2a-agent/pom.xml
+++ b/section-2/step-04/remote-a2a-agent/pom.xml
@@ -18,7 +18,7 @@
         <quarkus.platform.version>3.29.3</quarkus.platform.version>
         <skipITs>true</skipITs>
         <surefire-plugin.version>3.5.2</surefire-plugin.version>
-        <quarkus-langchain4j.version>1.3.1</quarkus-langchain4j.version>
+        <quarkus-langchain4j.version>1.4.1</quarkus-langchain4j.version>
         <langchain4j.version>1.6.0</langchain4j.version>
         <langchain4j.beta.version>1.8.0-beta15</langchain4j.beta.version>
         <a2a.version>0.3.2.Final</a2a.version>