diff --git a/CHANGELOG.md b/CHANGELOG.md
index 544edcb44..3acec655a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ This project follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) fo
 
 ## [Unreleased]
 
+## [1.8.1] - 2021-12-10
+
+## Security
+
+* Upgrading Log4j to version 2.15.0 for [CVE-2021-44228](https://nvd.nist.gov/vuln/detail/CVE-2021-44228)
+
 ## [1.8.0] - 2021-11-05
 
 ### Added
diff --git a/README.md b/README.md
index 05bf9f83b..21d10d548 100644
--- a/README.md
+++ b/README.md
@@ -17,17 +17,17 @@ Powertools is available in Maven Central. You can use your favourite dependency
     <dependency>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-tracing</artifactId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </dependency>
     <dependency>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-logging</artifactId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </dependency>
     <dependency>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-metrics</artifactId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </dependency>
     ...
 </dependencies>
diff --git a/docs/index.md b/docs/index.md
index dd6395514..64f38376d 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -46,17 +46,17 @@ For more information about the project and available options refer to this [repo
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-tracing</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-logging</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-metrics</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         ...
     </dependencies>
@@ -112,12 +112,12 @@ For more information about the project and available options refer to this [repo
         jcenter()
     }
     dependencies {
-        implementation 'software.amazon.lambda:powertools-tracing:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-tracing:1.8.0'
-        implementation 'software.amazon.lambda:powertools-logging:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-logging:1.8.0'
-        implementation 'software.amazon.lambda:powertools-metrics:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-metrics:1.8.0'
+        implementation 'software.amazon.lambda:powertools-tracing:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-tracing:1.8.1'
+        implementation 'software.amazon.lambda:powertools-logging:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-logging:1.8.1'
+        implementation 'software.amazon.lambda:powertools-metrics:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-metrics:1.8.1'
     }
     ```
     **Note:**
diff --git a/docs/utilities/batch.md b/docs/utilities/batch.md
index 44303d9e3..e1d7191a5 100644
--- a/docs/utilities/batch.md
+++ b/docs/utilities/batch.md
@@ -32,7 +32,7 @@ To install this utility, add the following dependency to your project.
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-sqs</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         ...
     </dependencies>
@@ -73,8 +73,8 @@ To install this utility, add the following dependency to your project.
     ```groovy
      dependencies {
         ...
-        implementation 'software.amazon.lambda:powertools-sqs:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-sqs:1.8.0'
+        implementation 'software.amazon.lambda:powertools-sqs:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-sqs:1.8.1'
     }
     ```
 
diff --git a/docs/utilities/custom_resources.md b/docs/utilities/custom_resources.md
index 2273b3e83..26f214ae0 100644
--- a/docs/utilities/custom_resources.md
+++ b/docs/utilities/custom_resources.md
@@ -24,7 +24,7 @@ To install this utility, add the following dependency to your project.
     <dependency>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-cloudformation</artifactId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </dependency>
     ```
 
@@ -33,8 +33,8 @@ To install this utility, add the following dependency to your project.
     ```groovy
      dependencies {
         ...
-        implementation 'software.amazon.lambda:powertools-cloudformation:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-cloudformation:1.8.0'
+        implementation 'software.amazon.lambda:powertools-cloudformation:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-cloudformation:1.8.1'
     }
     ```
 
diff --git a/docs/utilities/parameters.md b/docs/utilities/parameters.md
index ebc816baf..af70e8692 100644
--- a/docs/utilities/parameters.md
+++ b/docs/utilities/parameters.md
@@ -24,7 +24,7 @@ To install this utility, add the following dependency to your project.
     <dependency>
         <groupId>software.amazon.lambda</groupId>
         <artifactId>powertools-parameters</artifactId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </dependency>
     ```
 === "Gradle"
@@ -32,8 +32,8 @@ To install this utility, add the following dependency to your project.
     ```groovy
      dependencies {
         ...
-        implementation 'software.amazon.lambda:powertools-parameters:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-parameters:1.8.0'
+        implementation 'software.amazon.lambda:powertools-parameters:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-parameters:1.8.1'
     }
     ```
 
@@ -432,8 +432,8 @@ If you want to use the ```@Param``` annotation in your project add configuration
     }
     dependencies {
         ...
-        implementation 'software.amazon.lambda:powertools-parameters:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-parameters:1.8.0'
+        implementation 'software.amazon.lambda:powertools-parameters:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-parameters:1.8.1'
     }
     ```
 
diff --git a/docs/utilities/sqs_large_message_handling.md b/docs/utilities/sqs_large_message_handling.md
index e2cb829c8..947bdbd5a 100644
--- a/docs/utilities/sqs_large_message_handling.md
+++ b/docs/utilities/sqs_large_message_handling.md
@@ -40,7 +40,7 @@ To install this utility, add the following dependency to your project.
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-sqs</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         ...
     </dependencies>
@@ -81,8 +81,8 @@ To install this utility, add the following dependency to your project.
     ```groovy
      dependencies {
         ...
-        implementation 'software.amazon.lambda:powertools-sqs:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-sqs:1.8.0'
+        implementation 'software.amazon.lambda:powertools-sqs:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-sqs:1.8.1'
     }
     ```
 
diff --git a/docs/utilities/validation.md b/docs/utilities/validation.md
index 1610c682f..0128617e6 100644
--- a/docs/utilities/validation.md
+++ b/docs/utilities/validation.md
@@ -22,7 +22,7 @@ To install this utility, add the following dependency to your project.
     <dependency>
         <groupId>com.amazonaws</groupId>
         <artifactId>powertools-validation</artifactId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </dependency>
     ...
     </dependencies>
@@ -62,8 +62,8 @@ To install this utility, add the following dependency to your project.
 
     ```groovy
      dependencies {
-        implementation 'software.amazon.lambda:powertools-validation:1.8.0'
-        aspectpath 'software.amazon.lambda:powertools-validation:1.8.0'
+        implementation 'software.amazon.lambda:powertools-validation:1.8.1'
+        aspectpath 'software.amazon.lambda:powertools-validation:1.8.1'
     }
     ```
 
diff --git a/example/HelloWorldFunction/build.gradle b/example/HelloWorldFunction/build.gradle
index 7bf6b86a6..301c3c4e7 100644
--- a/example/HelloWorldFunction/build.gradle
+++ b/example/HelloWorldFunction/build.gradle
@@ -8,23 +8,23 @@ repositories {
 }
 
 dependencies {
-    implementation 'software.amazon.lambda:powertools-tracing:1.8.0'
-    aspectpath 'software.amazon.lambda:powertools-tracing:1.8.0'
+    implementation 'software.amazon.lambda:powertools-tracing:1.8.1'
+    aspectpath 'software.amazon.lambda:powertools-tracing:1.8.1'
 
-    implementation 'software.amazon.lambda:powertools-logging:1.8.0'
-    aspectpath 'software.amazon.lambda:powertools-logging:1.8.0'
+    implementation 'software.amazon.lambda:powertools-logging:1.8.1'
+    aspectpath 'software.amazon.lambda:powertools-logging:1.8.1'
 
-    implementation 'software.amazon.lambda:powertools-metrics:1.8.0'
-    aspectpath 'software.amazon.lambda:powertools-metrics:1.8.0'
+    implementation 'software.amazon.lambda:powertools-metrics:1.8.1'
+    aspectpath 'software.amazon.lambda:powertools-metrics:1.8.1'
 
-    implementation 'software.amazon.lambda:powertools-sqs:1.8.0'
-    aspectpath 'software.amazon.lambda:powertools-sqs:1.8.0'
+    implementation 'software.amazon.lambda:powertools-sqs:1.8.1'
+    aspectpath 'software.amazon.lambda:powertools-sqs:1.8.1'
 
-    implementation 'software.amazon.lambda:powertools-parameters:1.8.0'
-    aspectpath 'software.amazon.lambda:powertools-parameters:1.8.0'
+    implementation 'software.amazon.lambda:powertools-parameters:1.8.1'
+    aspectpath 'software.amazon.lambda:powertools-parameters:1.8.1'
 
-    implementation 'software.amazon.lambda:powertools-validation:1.8.0'
-    aspectpath 'software.amazon.lambda:powertools-validation:1.8.0'
+    implementation 'software.amazon.lambda:powertools-validation:1.8.1'
+    aspectpath 'software.amazon.lambda:powertools-validation:1.8.1'
 
     implementation 'com.amazonaws:aws-lambda-java-core:1.2.1'
     implementation 'com.amazonaws:aws-lambda-java-events:3.1.0'
diff --git a/example/HelloWorldFunction/pom.xml b/example/HelloWorldFunction/pom.xml
index e9614e255..56bbbd9d8 100644
--- a/example/HelloWorldFunction/pom.xml
+++ b/example/HelloWorldFunction/pom.xml
@@ -16,32 +16,32 @@
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-tracing</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-logging</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-metrics</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-parameters</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-validation</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
             <artifactId>powertools-sqs</artifactId>
-            <version>1.8.0</version>
+            <version>1.8.1</version>
         </dependency>
         <dependency>
             <groupId>com.amazonaws</groupId>
diff --git a/pom.xml b/pom.xml
index da6d9b38c..7e94bdb00 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>software.amazon.lambda</groupId>
     <artifactId>powertools-parent</artifactId>
-    <version>1.8.0</version>
+    <version>1.8.1</version>
     <packaging>pom</packaging>
 
     <name>AWS Lambda Powertools Java library Parent</name>
diff --git a/powertools-cloudformation/pom.xml b/powertools-cloudformation/pom.xml
index 6239bdf90..574e20e15 100644
--- a/powertools-cloudformation/pom.xml
+++ b/powertools-cloudformation/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java library Cloudformation</name>
diff --git a/powertools-core/pom.xml b/powertools-core/pom.xml
index a8d65dbfe..c0f78f245 100644
--- a/powertools-core/pom.xml
+++ b/powertools-core/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java library Core</name>
diff --git a/powertools-logging/pom.xml b/powertools-logging/pom.xml
index e1f91169d..bc156ee59 100644
--- a/powertools-logging/pom.xml
+++ b/powertools-logging/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java library Logging</name>
diff --git a/powertools-metrics/pom.xml b/powertools-metrics/pom.xml
index 733afdf74..ac8e7159d 100644
--- a/powertools-metrics/pom.xml
+++ b/powertools-metrics/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java library Metrics</name>
diff --git a/powertools-parameters/pom.xml b/powertools-parameters/pom.xml
index 249837ca8..5e0ba3ef9 100644
--- a/powertools-parameters/pom.xml
+++ b/powertools-parameters/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <artifactId>powertools-parameters</artifactId>
diff --git a/powertools-sqs/pom.xml b/powertools-sqs/pom.xml
index e4b1c7571..0428755e5 100644
--- a/powertools-sqs/pom.xml
+++ b/powertools-sqs/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java library SQS</name>
diff --git a/powertools-test-suite/pom.xml b/powertools-test-suite/pom.xml
index 9ab661452..1edecc019 100644
--- a/powertools-test-suite/pom.xml
+++ b/powertools-test-suite/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java library Test Suite</name>
diff --git a/powertools-tracing/pom.xml b/powertools-tracing/pom.xml
index 41cb6e28b..a6bf4d553 100644
--- a/powertools-tracing/pom.xml
+++ b/powertools-tracing/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java library Tracing</name>
diff --git a/powertools-validation/pom.xml b/powertools-validation/pom.xml
index e49102f4b..3901fca43 100644
--- a/powertools-validation/pom.xml
+++ b/powertools-validation/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>powertools-parent</artifactId>
         <groupId>software.amazon.lambda</groupId>
-        <version>1.8.0</version>
+        <version>1.8.1</version>
     </parent>
 
     <name>AWS Lambda Powertools Java validation library</name>