Class not found: org.springframework.cloud.function.adapter.aws.FunctionInvoker

I am using Spring cloud function version 3.2.6. I have uploaded the zip file of jar in S3 bucket and then tried to upload to AWS Lambda using S3 URI. After successfull update of jar I am getting below error.

{
  "errorMessage": "Class not found: 
  org.springframework.cloud.function.adapter.aws.FunctionInvoker",
  "errorType": "java.lang.ClassNotFoundException"
}

START RequestId: 7b189d8c-c597-4335-b598-76b9b3a1f639 Version: $LATEST
Class not found: org.springframework.cloud.function.adapter.aws.FunctionInvoker: 
java.lang.ClassNotFoundException
java.lang.ClassNotFoundException: 
org.springframework.cloud.function.adapter.aws.FunctionInvoker. Current classpath: 
file:/var/task/

Below is my POM.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>
 <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
     <version>2.7.1</version>
     <relativePath/> <!-- lookup parent from repository -->
 </parent>
 <groupId>com.acko</groupId>
 <artifactId>phoenix</artifactId>
 <version>0.0.1-SNAPSHOT</version>
 <packaging>pom</packaging>
 <name>phoenix</name>
 <description>phoenix</description>
 <properties>
     <java.version>14</java.version>
     <wrapper.version>1.0.27.RELEASE</wrapper.version>
     <aws-lambda-events.version>3.11.0</aws-lambda-events.version>
     <spring-cloud-function.version>3.2.6</spring-cloud-function.version>
 </properties>
 <dependencies>
     <dependency>
         <groupId>org.springframework.cloud</groupId>
         <artifactId>spring-cloud-function-adapter-aws</artifactId>
         <version>3.2.6</version>
     </dependency>
     <dependency>
         <groupId>com.amazonaws</groupId>
         <artifactId>aws-lambda-java-events</artifactId>
         <version>${aws-lambda-events.version}</version>
         <scope>provided</scope>
     </dependency>

     <dependency>
         <groupId>com.amazonaws</groupId>
         <artifactId>aws-lambda-java-core</artifactId>
         <version>1.2.1</version>
         <scope>provided</scope>
     </dependency>
 </dependencies>

 <dependencyManagement>
     <dependencies>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-function-dependencies</artifactId>
             <version>${spring-cloud-function.version}</version>
             <type>pom</type>
             <scope>import</scope>
         </dependency>
     </dependencies>
 </dependencyManagement>

 <build>
     <plugins>
         <plugin>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-maven-plugin</artifactId>
             <dependencies>
                 <dependency>
                     <groupId>org.springframework.boot.experimental</groupId>
                     <artifactId>spring-boot-thin-layout</artifactId>
                     <version>${wrapper.version}</version>
                 </dependency>
             </dependencies>
         </plugin>
         <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-deploy-plugin</artifactId>
             <configuration>
                 <skip>true</skip>
             </configuration>
         </plugin>
         <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-shade-plugin</artifactId>
             <dependencies>
                 <dependency>
                     <groupId>org.springframework.boot</groupId>
                     <artifactId>spring-boot-maven-plugin</artifactId>
                     <version>2.7.1</version>
                 </dependency>
             </dependencies>
             <configuration>
                 <createDependencyReducedPom>false</createDependencyReducedPom>
                 <shadedArtifactAttached>true</shadedArtifactAttached>
                 <shadedClassifierName>aws</shadedClassifierName>
                 <transformers>
                     <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                         <resource>META-INF/spring.handlers</resource>
                     </transformer>
                     <transformer
                             implementation="org.springframework.boot.maven.PropertiesMergingResourceTransformer">
                         <resource>META-INF/spring.factories</resource>
                     </transformer>
                     <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                         <resource>META-INF/spring.schemas</resource>
                     </transformer>
                 </transformers>
             </configuration>
         </plugin>
     </plugins>
 </build>
 <modules>
     <module>alpha</module>
 </modules>
 </project>

I am using latest version of spring cloud function and trying to run it in AWS lambda. Some how FunctionInvoker class is not present. Please do let me know what am I missing.