diff --git a/examples/log4j2-custom-format-example/pom.xml b/examples/log4j2-custom-format-example/pom.xml
index 5aadaae..dd5aafc 100644
--- a/examples/log4j2-custom-format-example/pom.xml
+++ b/examples/log4j2-custom-format-example/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <log4j2.version>2.24.3</log4j2.version>
+        <log4j2.version>2.25.3</log4j2.version>
     </properties>
 
     <dependencies>
diff --git a/examples/log4j2-local-example/pom.xml b/examples/log4j2-local-example/pom.xml
index a820942..6c8b0e0 100644
--- a/examples/log4j2-local-example/pom.xml
+++ b/examples/log4j2-local-example/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <log4j2.version>2.24.3</log4j2.version>
+        <log4j2.version>2.25.3</log4j2.version>
     </properties>
 
     <dependencies>
diff --git a/examples/tencent-log4j2-example/pom.xml b/examples/tencent-log4j2-example/pom.xml
index 490cc60..78fe99c 100644
--- a/examples/tencent-log4j2-example/pom.xml
+++ b/examples/tencent-log4j2-example/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <log4j2.version>2.24.3</log4j2.version>
+        <log4j2.version>2.25.3</log4j2.version>
     </properties>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index ee5cdfa..18714c0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,13 +57,13 @@
         <!-- Logging (updated to latest secure version 1.5.18) -->
         <logback.version>1.5.18</logback.version>
         <slf4j.version>2.0.16</slf4j.version>
-        <log4j2.version>2.23.1</log4j2.version>
+        <log4j2.version>2.25.3</log4j2.version>
 
         <!-- AWS SDK (updated to latest) -->
         <aws-sdk.version>2.29.15</aws-sdk.version>
 
         <!-- JSON processing (updated for security) -->
-        <jackson.version>2.18.1</jackson.version>
+        <jackson.version>2.18.6</jackson.version>
 
         <!-- Testing -->
         <junit.version>5.10.0</junit.version>