diff --git a/aws-lambda-java-runtime-interface-client/README.md b/aws-lambda-java-runtime-interface-client/README.md
index c448e7a8..b72a6238 100644
--- a/aws-lambda-java-runtime-interface-client/README.md
+++ b/aws-lambda-java-runtime-interface-client/README.md
@@ -70,7 +70,7 @@ pom.xml
     <dependency>
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-lambda-java-runtime-interface-client</artifactId>
-      <version>2.10.1</version>
+      <version>2.11.0</version>
     </dependency>
   </dependencies>
   <build>
@@ -203,7 +203,7 @@ platform-specific JAR by setting the `<classifier>`.
 <dependency>
     <groupId>com.amazonaws</groupId>
     <artifactId>aws-lambda-java-runtime-interface-client</artifactId>
-    <version>2.10.1</version>
+    <version>2.11.0</version>
     <classifier>linux-x86_64</classifier>
 </dependency>
 ```
diff --git a/aws-lambda-java-runtime-interface-client/RELEASE.CHANGELOG.md b/aws-lambda-java-runtime-interface-client/RELEASE.CHANGELOG.md
index 94a8a805..883bd56d 100644
--- a/aws-lambda-java-runtime-interface-client/RELEASE.CHANGELOG.md
+++ b/aws-lambda-java-runtime-interface-client/RELEASE.CHANGELOG.md
@@ -1,3 +1,7 @@
+### May 13, 2026
+`2.11.0`
+- Update aws-lambda-java-serialization dependency to 1.4.0
+
 ### March 19, 2026
 `2.10.1`
 - Revert aws-lambda-java-serialization dependency to 1.2.0
diff --git a/aws-lambda-java-runtime-interface-client/pom.xml b/aws-lambda-java-runtime-interface-client/pom.xml
index a09fd3df..47e79a62 100644
--- a/aws-lambda-java-runtime-interface-client/pom.xml
+++ b/aws-lambda-java-runtime-interface-client/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.amazonaws</groupId>
     <artifactId>aws-lambda-java-runtime-interface-client</artifactId>
-    <version>2.10.1</version>
+    <version>2.11.0</version>
     <packaging>jar</packaging>
 
     <name>AWS Lambda Java Runtime Interface Client</name>
@@ -67,7 +67,7 @@
         <dependency>
             <groupId>com.amazonaws</groupId>
             <artifactId>aws-lambda-java-serialization</artifactId>
-            <version>1.2.0</version>
+            <version>1.4.0</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>