diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AttestationConveyancePreferenceSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AttestationConveyancePreferenceSerializer.java
index af2c0a23f5..03624dbe22 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AttestationConveyancePreferenceSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AttestationConveyancePreferenceSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.AttestationConveyancePrefer
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class AttestationConveyancePreferenceSerializer extends StdSerializer<AttestationConveyancePreference> {
 
 	AttestationConveyancePreferenceSerializer() {
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputSerializer.java
index 4d7ca1e38d..2746a0928b 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.AuthenticationExtensionsCli
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class AuthenticationExtensionsClientInputSerializer extends StdSerializer<AuthenticationExtensionsClientInput> {
 
 	/**
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputsSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputsSerializer.java
index 8009f0f16f..e6ad216c8c 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputsSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientInputsSerializer.java
@@ -31,6 +31,7 @@ import org.springframework.security.web.webauthn.api.AuthenticationExtensionsCli
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class AuthenticationExtensionsClientInputsSerializer extends StdSerializer<AuthenticationExtensionsClientInputs> {
 
 	/**
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientOutputsDeserializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientOutputsDeserializer.java
index 0cfd084936..dc0d588c7c 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientOutputsDeserializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticationExtensionsClientOutputsDeserializer.java
@@ -39,6 +39,7 @@ import org.springframework.security.web.webauthn.api.ImmutableAuthenticationExte
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class AuthenticationExtensionsClientOutputsDeserializer extends StdDeserializer<AuthenticationExtensionsClientOutputs> {
 
 	private static final Log logger = LogFactory.getLog(AuthenticationExtensionsClientOutputsDeserializer.class);
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentDeserializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentDeserializer.java
index 0c6b9c9e74..8263081ddc 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentDeserializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentDeserializer.java
@@ -31,6 +31,7 @@ import org.springframework.security.web.webauthn.api.AuthenticatorAttachment;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class AuthenticatorAttachmentDeserializer extends StdDeserializer<AuthenticatorAttachment> {
 
 	AuthenticatorAttachmentDeserializer() {
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentSerializer.java
index 67c1a2b9b3..a6ea540716 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorAttachmentSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.AuthenticatorAttachment;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class AuthenticatorAttachmentSerializer extends StdSerializer<AuthenticatorAttachment> {
 
 	AuthenticatorAttachmentSerializer() {
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorTransportDeserializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorTransportDeserializer.java
index 77085c4350..8cafd92aa9 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorTransportDeserializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/AuthenticatorTransportDeserializer.java
@@ -31,6 +31,7 @@ import org.springframework.security.web.webauthn.api.AuthenticatorTransport;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class AuthenticatorTransportDeserializer extends StdDeserializer<AuthenticatorTransport> {
 
 	AuthenticatorTransportDeserializer() {
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/BytesSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/BytesSerializer.java
index b02b33eecb..894cab4ed5 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/BytesSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/BytesSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.Bytes;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class BytesSerializer extends StdSerializer<Bytes> {
 
 	/**
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierDeserializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierDeserializer.java
index 343b0bde1c..ed1e6e4837 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierDeserializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierDeserializer.java
@@ -31,6 +31,7 @@ import org.springframework.security.web.webauthn.api.COSEAlgorithmIdentifier;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class COSEAlgorithmIdentifierDeserializer extends StdDeserializer<COSEAlgorithmIdentifier> {
 
 	COSEAlgorithmIdentifierDeserializer() {
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierSerializer.java
index eb408569fa..6cc3d84413 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/COSEAlgorithmIdentifierSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.COSEAlgorithmIdentifier;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class COSEAlgorithmIdentifierSerializer extends StdSerializer<COSEAlgorithmIdentifier> {
 
 	COSEAlgorithmIdentifierSerializer() {
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/CredProtectAuthenticationExtensionsClientInputSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/CredProtectAuthenticationExtensionsClientInputSerializer.java
index b1cd17892d..0561996566 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/CredProtectAuthenticationExtensionsClientInputSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/CredProtectAuthenticationExtensionsClientInputSerializer.java
@@ -31,6 +31,7 @@ import org.springframework.security.web.webauthn.api.CredProtectAuthenticationEx
  *
  * @author Rob Winch
  */
+@SuppressWarnings("serial")
 class CredProtectAuthenticationExtensionsClientInputSerializer
 		extends StdSerializer<CredProtectAuthenticationExtensionsClientInput> {
 
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/DurationSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/DurationSerializer.java
index 442acc5fd0..f1a27e17b5 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/DurationSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/DurationSerializer.java
@@ -29,6 +29,7 @@ import com.fasterxml.jackson.databind.ser.std.StdSerializer;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class DurationSerializer extends StdSerializer<Duration> {
 
 	/**
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeDeserializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeDeserializer.java
index b7709d41f2..7640d7a366 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeDeserializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeDeserializer.java
@@ -31,6 +31,7 @@ import org.springframework.security.web.webauthn.api.PublicKeyCredentialType;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class PublicKeyCredentialTypeDeserializer extends StdDeserializer<PublicKeyCredentialType> {
 
 	/**
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeSerializer.java
index 06eb0bbbe6..23319e366a 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/PublicKeyCredentialTypeSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.PublicKeyCredentialType;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class PublicKeyCredentialTypeSerializer extends StdSerializer<PublicKeyCredentialType> {
 
 	/**
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/ResidentKeyRequirementSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/ResidentKeyRequirementSerializer.java
index 158e8627cd..31b85366d4 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/ResidentKeyRequirementSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/ResidentKeyRequirementSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.ResidentKeyRequirement;
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class ResidentKeyRequirementSerializer extends StdSerializer<ResidentKeyRequirement> {
 
 	/**
diff --git a/web/src/main/java/org/springframework/security/web/webauthn/jackson/UserVerificationRequirementSerializer.java b/web/src/main/java/org/springframework/security/web/webauthn/jackson/UserVerificationRequirementSerializer.java
index 1bb2990446..07a6184a96 100644
--- a/web/src/main/java/org/springframework/security/web/webauthn/jackson/UserVerificationRequirementSerializer.java
+++ b/web/src/main/java/org/springframework/security/web/webauthn/jackson/UserVerificationRequirementSerializer.java
@@ -30,6 +30,7 @@ import org.springframework.security.web.webauthn.api.UserVerificationRequirement
  * @author Rob Winch
  * @since 6.4
  */
+@SuppressWarnings("serial")
 class UserVerificationRequirementSerializer extends StdSerializer<UserVerificationRequirement> {
 
 	/**