diff --git a/samples-doc/doc-sample-obs/pom.xml b/samples-doc/doc-sample-obs/pom.xml
index c2f966e..e102e81 100644
--- a/samples-doc/doc-sample-obs/pom.xml
+++ b/samples-doc/doc-sample-obs/pom.xml
@@ -20,7 +20,7 @@
     <!-- <maven.compiler.release>17</maven.compiler.release> -->
     <org.slf4j.version>2.0.17</org.slf4j.version>
 
-    <commons-lang3.version>3.17.0</commons-lang3.version>
+    <commons-lang3.version>3.18.0</commons-lang3.version>
 
     <otc-sdk-core-v1.version>1.0.0</otc-sdk-core-v1.version>
   </properties>
diff --git a/samples-doc/doc-sample-sdk/pom.xml b/samples-doc/doc-sample-sdk/pom.xml
index 07e2e6d..04974bd 100644
--- a/samples-doc/doc-sample-sdk/pom.xml
+++ b/samples-doc/doc-sample-sdk/pom.xml
@@ -20,7 +20,7 @@
     <!-- <maven.compiler.release>17</maven.compiler.release> -->
     <org.slf4j.version>2.0.17</org.slf4j.version>
 
-    <commons-lang3.version>3.17.0</commons-lang3.version>
+    <commons-lang3.version>3.18.0</commons-lang3.version>
 
     <otc-sdk-core-v1.version>1.0.0</otc-sdk-core-v1.version>
   </properties>