diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5781ce..95180a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+### V2.1.2
+
+- Fixed vulnerability CVE-2021-44228
+- Update to log4j version 2.16.0
+
 ### V2.1.1
 
 - Fixed vulnerability CVE-2021-44228
diff --git a/README.md b/README.md
index 16876c6..1f7a567 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ mvn install
 <dependency>
     <groupId>com.api.util</groupId>
     <artifactId>ApiSecurity</artifactId>
-    <version>2.1.1</version>
+    <version>2.1.2</version>
 </dependency>
 ```
  
@@ -76,12 +76,12 @@ mvn install
 <dependency>
 	<groupId>org.apache.logging.log4j</groupId>
 	<artifactId>log4j-api</artifactId>
-	<version>2.15.0</version>
+	<version>2.16.0</version>
 </dependency>
 <dependency>
 	<groupId>org.apache.logging.log4j</groupId>
 	<artifactId>log4j-core</artifactId>
-	<version>2.15.0</version>
+	<version>2.16.0</version>
 </dependency>
 ```
 
diff --git a/build.gradle b/build.gradle
index 68deba6..8518804 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 
-version '2.1.1'
+version '2.1.2'
 
 tasks.withType(JavaCompile) {
     options.encoding = "UTF-8"
@@ -20,8 +20,8 @@ dependencies {
     
     //gradle 4.0
     compile group: 'commons-lang', name: 'commons-lang', version: '2.4'
-    compile group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.15.0'
-    compile group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.15.0'
+    compile group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.16.0'
+    compile group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.16.0'
     compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.10.5.1'
     compile group: 'com.googlecode.json-simple', name: 'json-simple', version: '1.1.1'
     compile group: 'org.bouncycastle', name: 'bcpkix-jdk15on', version: '1.69'
diff --git a/pom.xml b/pom.xml
index 06757fc..31fa20b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.api.util</groupId>
   <artifactId>ApiSecurity</artifactId>
-  <version>2.1.1</version>
+  <version>2.1.2</version>
   <build>
     <plugins>
       <plugin>
@@ -80,12 +80,12 @@
   	<dependency>
 		    <groupId>org.apache.logging.log4j</groupId>
 		    <artifactId>log4j-api</artifactId>
-		    <version>2.15.0</version>
+		    <version>2.16.0</version>
 	</dependency>
   	<dependency>
 		    <groupId>org.apache.logging.log4j</groupId>
 		    <artifactId>log4j-core</artifactId>
-		    <version>2.15.0</version>
+		    <version>2.16.0</version>
 	</dependency>
   	<dependency>
             <groupId>commons-lang</groupId>