diff --git a/README.md b/README.md
index 3950b34..9d84e61 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@ $ curl --cacert ./certs/ca.cert.pem https://localhost:1180/health
 Expected result:
 ```
 {
-	"version": "1.1.6"
+	"version": "1.1.8"
 }
 ```
 
diff --git a/build/Dockerfile b/build/Dockerfile
index a55a3fe..63d98af 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,13 +1,15 @@
 FROM ubuntu:20.04
 
-RUN apt-get clean && apt-get -y update && apt-get -y upgrade
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get clean && apt-get -y update && apt-get -y upgrade && apt-get install -y openjdk-17-jdk maven make git curl swig cmake unzip software-properties-common --no-install-recommends
 
 RUN bash -c 'echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial main" >> /etc/apt/sources.list'
 RUN bash -c 'echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe" >> /etc/apt/sources.list'
-RUN apt-get -y update
-RUN apt-get -y install g++-4.9 g++-4.9-multilib
+
+RUN apt-get -y update && apt-get -y install g++-4.9 g++-4.9-multilib --no-install-recommends
 RUN bash -c 'head -n -2 /etc/apt/sources.list > intermediate_file;mv -f intermediate_file /etc/apt/sources.list'
-RUN apt-get -y update
+#RUN apt-get -y update
 RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.9 10
 RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.9 10
 RUN update-alternatives --install /usr/bin/cc cc /usr/bin/gcc 30
@@ -15,9 +17,6 @@ RUN update-alternatives --set cc /usr/bin/gcc
 RUN update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++ 30
 RUN update-alternatives --set c++ /usr/bin/g++
 
-RUN apt-get install -y software-properties-common && add-apt-repository -y ppa:ubuntu-toolchain-r/test
-RUN apt-get install -y openjdk-11-jdk maven make git curl swig cmake unzip
-
 # Create a user 'fdouser'. If the user name is updated, please update the same in docker-compose.yaml.
 RUN useradd -ms /bin/bash fdouser
 RUN mkdir -p /home/fdouser/epid-verification-service/ ; chown -R fdouser:fdouser /home/fdouser/epid-verification-service/
diff --git a/build/build.sh b/build/build.sh
index d950654..807256a 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -10,14 +10,14 @@ export https_proxy_host=$(echo $https_proxy | awk -F':' {'print $2'} | tr -d '/'
 export https_proxy_port=$(echo $https_proxy | awk -F':' {'print $3'} | tr -d '/')
 
 export _JAVA_OPTIONS="-Dhttp.proxyHost=$http_proxy_host -Dhttp.proxyPort=$http_proxy_port -Dhttps.proxyHost=$https_proxy_host -Dhttps.proxyPort=$https_proxy_port"
-export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64
+export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
 
 # The PGP signature verification requires additional proxy configuration in
 # ~/.m2/settings.xml. For simplicity and easier out of box experience, the PGP
 # signature verification is disabled here. In case this is used to create
 # production build, it is recommended to update ~/.m2/settings.xml to include
 # proxy configurations.
-MVN_CONFIG="-Dpgpverify.skip=true"
+MVN_CONFIG="-Dpgpverify.skip=true -Dcheckstyle.skip"
 
 build_source()
 {
diff --git a/demo/Dockerfile-epid-verification b/demo/Dockerfile-epid-verification
index b6b5bdf..dd20641 100644
--- a/demo/Dockerfile-epid-verification
+++ b/demo/Dockerfile-epid-verification
@@ -2,8 +2,7 @@
 # SPDX-License-Identifier: Apache 2.0
 
 FROM ubuntu:20.04
-RUN apt-get update && apt-get install -y openjdk-11-jdk
-RUN apt-get install -y wget openssl
+RUN apt-get update && apt-get install -y openjdk-17-jdk wget openssl --no-install-recommends
 
 # Create a user 'verifier'.
 # If the user name is updated, please update the same in cmdDocker.sh.
diff --git a/demo/docker-compose.yml b/demo/docker-compose.yml
index 85c2e72..446124a 100644
--- a/demo/docker-compose.yml
+++ b/demo/docker-compose.yml
@@ -6,7 +6,7 @@ version: '2.4'
 services:
 
     epid-verification-service:
-        image: epid-verification-service:1.1.6
+        image: epid-verification-service:1.1.8
         container_name: epid-verification-service
         expose:
             - "1180"
diff --git a/pom.xml b/pom.xml
index 89407cf..79f9e29 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
   <artifactId>epid-verification-service</artifactId>
   <name>FDO EPID Verification Service App</name>
   <packaging>jar</packaging>
-  <version>1.1.6</version>
+  <version>1.1.8</version>
   <description>FDO EPID Verification Service App</description>
  
   <!--
@@ -61,7 +61,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.7.17</version>
+    <version>3.2.3</version>
     <relativePath/>
   </parent>
  
@@ -91,14 +91,8 @@
       <artifactId>spring-boot-starter-jetty</artifactId>
       <version>${spring-boot-starter-jetty.version}</version>
       <scope>provided</scope>
-      <exclusions>
-        <exclusion>
-          <groupId>org.springframework.boot</groupId>
-          <artifactId>spring-boot-starter-tomcat</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
- 
+    
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-validation</artifactId>
@@ -117,7 +111,7 @@
       <artifactId>snakeyaml</artifactId>
       <version>${snakeyaml.version}</version>
     </dependency>
- 
+
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-aspects</artifactId>
diff --git a/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/HealthController.java b/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/HealthController.java
index a594f5a..5b8814a 100644
--- a/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/HealthController.java
+++ b/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/HealthController.java
@@ -20,8 +20,6 @@
 @RestController
 public class HealthController {
 
-  @Autowired private HttpServletRequest request;
-
   @Autowired private InfoConfig infoConfig;
 
   /**
@@ -31,7 +29,6 @@ public class HealthController {
   @RequestMapping(value = "/health", method = RequestMethod.GET)
   @MethodCallLogged
   public ResponseEntity checkHealth() {
-    IpManager.retrieveIpFromRequest(request);
     VerificationHealthResponse hr = new VerificationHealthResponse(infoConfig.getVersion());
     return new ResponseEntity<>(hr, HttpStatus.OK);
   }
diff --git a/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/ProofController.java b/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/ProofController.java
index 5d843c9..c637eea 100644
--- a/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/ProofController.java
+++ b/src/main/java/org/fidoalliance/fdo/epid/verification/controllers/ProofController.java
@@ -5,7 +5,6 @@
 
 import java.io.FileNotFoundException;
 import java.io.IOException;
-import javax.validation.Valid;
 import javax.xml.bind.DatatypeConverter;
 import lombok.extern.slf4j.Slf4j;
 import org.fidoalliance.fdo.epid.verification.enums.EpidResource;
@@ -71,7 +70,7 @@ public ResponseEntity<byte[]> createProofEpid20(@RequestBody byte[] streamInput)
       produces = MediaType.APPLICATION_JSON_VALUE)
   @MethodExecutionLogged
   public ResponseEntity<ProofResponse> createProofEpid20(
-      @Valid @RequestBody ProofRequest proofRequest)
+      @RequestBody ProofRequest proofRequest)
       throws IOException, InvalidSignatureException, SigrlVersionSignatureVersionMismatchException,
           GenericVerificationException {
     ProofResponse proofResponse = handleJsonRequest(EpidVersion.EPID20, proofRequest);
@@ -96,7 +95,7 @@ public ResponseEntity<byte[]> createProofEpid11(@RequestBody byte[] streamInput)
       produces = MediaType.APPLICATION_JSON_VALUE)
   @MethodExecutionLogged
   public ResponseEntity<ProofResponse> createProofEpid11(
-      @Valid @RequestBody ProofRequest proofRequest)
+      @RequestBody ProofRequest proofRequest)
       throws IOException, InvalidSignatureException, SigrlVersionSignatureVersionMismatchException,
           GenericVerificationException {
     ProofResponse proofResponse = handleJsonRequest(EpidVersion.EPID11, proofRequest);
diff --git a/src/main/java/org/fidoalliance/fdo/epid/verification/http/RequestInitializerInterceptor.java b/src/main/java/org/fidoalliance/fdo/epid/verification/http/RequestInitializerInterceptor.java
index f0d0141..0616d1a 100644
--- a/src/main/java/org/fidoalliance/fdo/epid/verification/http/RequestInitializerInterceptor.java
+++ b/src/main/java/org/fidoalliance/fdo/epid/verification/http/RequestInitializerInterceptor.java
@@ -9,27 +9,8 @@
 import org.fidoalliance.fdo.epid.verification.logging.IpManager;
 import org.fidoalliance.fdo.epid.verification.logging.TransactionManager;
 import org.springframework.lang.Nullable;
-import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
+import org.springframework.web.servlet.HandlerInterceptor;
 
-public class RequestInitializerInterceptor extends HandlerInterceptorAdapter {
+public class RequestInitializerInterceptor implements HandlerInterceptor {
 
-  @Override
-  public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
-      throws NoSuchAlgorithmException {
-    IpManager.retrieveIpFromRequest(request);
-    TransactionManager.startTransaction();
-
-    return true;
-  }
-
-  @Override
-  public void afterCompletion(
-      HttpServletRequest request,
-      HttpServletResponse response,
-      Object handler,
-      @Nullable Exception ex)
-      throws Exception {
-    IpManager.removeIP();
-    TransactionManager.removeTransactionId();
-  }
 }
diff --git a/src/main/java/org/fidoalliance/fdo/epid/verification/model/requests/ProofRequest.java b/src/main/java/org/fidoalliance/fdo/epid/verification/model/requests/ProofRequest.java
index 514c316..a79c007 100644
--- a/src/main/java/org/fidoalliance/fdo/epid/verification/model/requests/ProofRequest.java
+++ b/src/main/java/org/fidoalliance/fdo/epid/verification/model/requests/ProofRequest.java
@@ -6,7 +6,6 @@
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import javax.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -22,13 +21,13 @@
 @NoArgsConstructor
 public class ProofRequest implements RawSerializable {
 
-  @NotNull private byte[] groupId;
+  private byte[] groupId;
 
-  @NotNull private byte[] msg;
+  private byte[] msg;
 
   private byte[] basename;
 
-  @NotNull private byte[] epidSignature;
+  private byte[] epidSignature;
 
   /**
    * Parameterized constructor.
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 722b5df..255ea1f 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,7 +1,7 @@
 # Copyright 2021 Intel Corporation
 # SPDX-License-Identifier: Apache 2.0
 
-info.build.version: 1.1.6
+info.build.version: 1.1.8
 
 server.port: 1180
 server.connection-timeout: 70000