diff --git a/x/registry/keeper/events.go b/x/registry/keeper/events.go
index ec6f830f..5bd1414b 100644
--- a/x/registry/keeper/events.go
+++ b/x/registry/keeper/events.go
@@ -95,3 +95,13 @@ func EmitExtendTopLevelDomainExpirationDateEvent(ctx sdk.Context, domain types.T
 		),
 	)
 }
+
+// Update top-level-domain registration policy
+func EmitUpdateTopLevelDomainRegistrationPolicyEvent(ctx sdk.Context, domain types.TopLevelDomain) {
+	ctx.EventManager().EmitEvent(
+		sdk.NewEvent(types.EventTypeUpdateTopLevelDomainRegistrationPolicy,
+			sdk.NewAttribute(types.AttributeUpdateTopLevelDomainRegistrationPolicyEventDomainName, domain.Name),
+			sdk.NewAttribute(types.AttributeUpdateTopLevelDomainRegistrationPolicyEventRegistrationPolicy, domain.RegistrationPolicy.String()),
+		),
+	)
+}
diff --git a/x/registry/keeper/msg_server_update_top_level_domain_registration_policy.go b/x/registry/keeper/msg_server_update_top_level_domain_registration_policy.go
index 1018a792..86f5fbb5 100644
--- a/x/registry/keeper/msg_server_update_top_level_domain_registration_policy.go
+++ b/x/registry/keeper/msg_server_update_top_level_domain_registration_policy.go
@@ -11,8 +11,10 @@ import (
 func (k msgServer) UpdateTopLevelDomainRegistrationPolicy(goCtx context.Context, msg *types.MsgUpdateTopLevelDomainRegistrationPolicy) (*types.MsgUpdateTopLevelDomainRegistrationPolicyResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
-	// TODO: Handling the message
-	_ = ctx
+	err := k.Keeper.UpdateTopLevelDomainRegistrationPolicy(ctx, msg.Creator, msg.Name, msg.RegistrationPolicy)
+	if err != nil {
+		return nil, err
+	}
 
 	return &types.MsgUpdateTopLevelDomainRegistrationPolicyResponse{}, nil
 }
diff --git a/x/registry/keeper/top_level_domain.go b/x/registry/keeper/top_level_domain.go
index f6af0c94..6308ae52 100644
--- a/x/registry/keeper/top_level_domain.go
+++ b/x/registry/keeper/top_level_domain.go
@@ -240,3 +240,32 @@ func (k Keeper) ExtendTopLevelDomainExpirationDate(ctx sdk.Context, creator stri
 
 	return topLevelDomain, fee, err
 }
+
+func (k Keeper) UpdateTopLevelDomainRegistrationPolicy(ctx sdk.Context, creator string, domainName string, registrationPolicy string) (err error) {
+	// Get domain
+	topLevelDomain, found := k.GetTopLevelDomain(ctx, domainName)
+	if !found {
+		return errorsmod.Wrapf(types.ErrTopLevelDomainNotFound, "%s", domainName)
+	}
+
+	// Check if the domain is editable
+	_, err = topLevelDomain.IsEditable(creator)
+	if err != nil {
+		return err
+	}
+
+	// Validate registrationPolicy
+	rp, err := topLevelDomain.ValidateTopLevelDomainRegistrationPolicy(registrationPolicy)
+	if err != nil {
+		return err
+	}
+
+	// Update domain store
+	topLevelDomain.UpdateRegistrationPolicy(rp)
+	k.SetTopLevelDomain(ctx, topLevelDomain)
+
+	// Emit event
+	EmitUpdateTopLevelDomainRegistrationPolicyEvent(ctx, topLevelDomain)
+
+	return nil
+}
diff --git a/x/registry/types/top_level_domain.go b/x/registry/types/top_level_domain.go
index c63ee194..647f335a 100644
--- a/x/registry/types/top_level_domain.go
+++ b/x/registry/types/top_level_domain.go
@@ -53,6 +53,10 @@ func (topLevelDomain *TopLevelDomain) ExtendExpirationDate(from time.Time, exten
 	return expirationDate
 }
 
+func (topLevelDomain *TopLevelDomain) UpdateRegistrationPolicy(rp RegistrationPolicyType) {
+	topLevelDomain.RegistrationPolicy = rp
+}
+
 func (topLevelDomain TopLevelDomain) IsEditable(sender string) (isEditable bool, err error) {
 	role := topLevelDomain.GetRole(sender)
 	if role == DomainRole_NO_ROLE {
diff --git a/x/registry/types/validate_top_level_domain.go b/x/registry/types/validate_top_level_domain.go
index f9641f2b..69f5c7eb 100644
--- a/x/registry/types/validate_top_level_domain.go
+++ b/x/registry/types/validate_top_level_domain.go
@@ -19,6 +19,15 @@ func ValidateTopLevelDomainName(name string) (err error) {
 	return err
 }
 
+func (topLevelDomain TopLevelDomain) ValidateTopLevelDomainRegistrationPolicy(rps string) (RegistrationPolicyType, error) {
+	i, isFound := RegistrationPolicyType_value[rps]
+	if !isFound {
+		err := errorsmod.Wrapf(ErrInvalidRegistrationPolicy, "%s", rps)
+		return RegistrationPolicyType_PRIVATE, err
+	}
+	return RegistrationPolicyType(i), nil
+}
+
 func (topLevelDomain TopLevelDomain) ValidateName() (err error) {
 	err = ValidateTopLevelDomainName(topLevelDomain.Name)
 	return err