diff --git a/README.md b/README.md
index bd857cde..23003198 100644
--- a/README.md
+++ b/README.md
@@ -149,10 +149,20 @@ be language-agnostic, while providing identical features and similar parallel pr
 all languages.
 
 ## Release Notes
-
-### Release (4.0.1 - May 28, 2025)
+### Release 4.1.0 (October 1, 2025)
+* [#276](https://github.com/awslabs/amazon-kinesis-client-net/pull/276) Add multi-lang support for leaseAssignmentIntervalMillis
+* [#281](https://github.com/awslabs/amazon-kinesis-client-net/pull/281) Upgrade amazon-kinesis-client from 3.0.0 to 3.1.3
+* [#281](https://github.com/awslabs/amazon-kinesis-client-net/pull/281) Upgrade aws-sdk from 2.25.64 to 2.33.0
+* [#281](https://github.com/awslabs/amazon-kinesis-client-net/pull/281) Upgrade netty.version from 4.1.108.Final to 4.2.4.Final
+* [#281](https://github.com/awslabs/amazon-kinesis-client-net/pull/281) Upgrade fasterxml-jackson from 2.13.5 to 2.15.0
+* [#281](https://github.com/awslabs/amazon-kinesis-client-net/pull/281) Upgrade checker-qual from 2.5.2 to 3.49.4
+* [#281](https://github.com/awslabs/amazon-kinesis-client-net/pull/281) Upgrade org.apache.commons:commons-lang3 from 3.14.0 to 3.18.0
+* [#266](https://github.com/awslabs/amazon-kinesis-client-net/pull/266) Upgrade commons-beanutils from 1.9.4 to 1.11.0
+
+### Release (May 28, 2025)
 * [#264](https://github.com/awslabs/amazon-kinesis-client-net/pull/264) Bump ch.qos.logback:logback-core from 1.3.14 to 1.3.15
 * [#263](https://github.com/awslabs/amazon-kinesis-client-net/pull/263) Bump io.netty:netty-handler from 4.1.108.Final to 4.1.118.Final
+
 ### Release 4.0.0 (November 6, 2024)
 * New lease assignment / load balancing algorithm
   * KCL 3.x introduces a new lease assignment and load balancing algorithm. It assigns leases among workers based on worker utilization metrics and throughput on each lease, replacing the previous lease count-based lease assignment algorithm.
diff --git a/pom.xml b/pom.xml
index 39d528e4..1bb94b66 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,11 +2,11 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <properties>
-        <awssdk.version>2.25.64</awssdk.version>
-        <kcl.version>3.0.0</kcl.version>
-        <netty.version>4.1.118.Final</netty.version>
+        <awssdk.version>2.33.0</awssdk.version>
+        <kcl.version>3.1.3</kcl.version>
+        <netty.version>4.2.4.Final</netty.version>
         <netty-reactive.version>2.0.6</netty-reactive.version>
-        <fasterxml-jackson.version>2.13.5</fasterxml-jackson.version>
+        <fasterxml-jackson.version>2.15.0</fasterxml-jackson.version>
         <logback.version>1.3.15</logback.version>
     </properties>
     <dependencies>
@@ -182,6 +182,16 @@
           <artifactId>identity-spi</artifactId>
           <version>${awssdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>retries-spi</artifactId>
+            <version>${awssdk.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>retries</artifactId>
+            <version>${awssdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec-http</artifactId>
@@ -197,6 +207,11 @@
             <artifactId>netty-codec</artifactId>
             <version>${netty.version}</version>
         </dependency>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-codec-base</artifactId>
+            <version>${netty.version}</version>
+        </dependency>
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport</artifactId>
@@ -260,7 +275,7 @@
         <dependency>
             <groupId>org.checkerframework</groupId>
             <artifactId>checker-qual</artifactId>
-            <version>2.5.2</version>
+            <version>3.49.4</version>
         </dependency>
         <dependency>
             <groupId>com.google.errorprone</groupId>
@@ -285,7 +300,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.14.0</version>
+            <version>3.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>