diff --git a/pkg/cmd/server/start.go b/pkg/cmd/server/start.go
index a3f8067d..0d1b93b9 100644
--- a/pkg/cmd/server/start.go
+++ b/pkg/cmd/server/start.go
@@ -49,15 +49,16 @@ const (
 
 // PorchServerOptions contains state for master/api server
 type PorchServerOptions struct {
-	RecommendedOptions       			*genericoptions.RecommendedOptions
-	LocalStandaloneDebugging 			bool // Enables local standalone running/debugging of the apiserver.
-	CacheDirectory           			string
-	CoreAPIKubeconfigPath    			string
-	FunctionRunnerAddress    			string
-	DefaultImagePrefix       			string
-	RepoSyncFrequency        			time.Duration
-	UseGitCaBundle           			bool
-	DisableValidatingAdmissionPolicy 	bool
+	RecommendedOptions               *genericoptions.RecommendedOptions
+	LocalStandaloneDebugging         bool // Enables local standalone running/debugging of the apiserver.
+	CacheDirectory                   string
+	CoreAPIKubeconfigPath            string
+	FunctionRunnerAddress            string
+	DefaultImagePrefix               string
+	RepoSyncFrequency                time.Duration
+	UseGitCaBundle                   bool
+	DisableValidatingAdmissionPolicy bool
+	MaxRequestBodySize               int64
 
 	SharedInformerFactory informers.SharedInformerFactory
 	StdOut                io.Writer
@@ -172,11 +173,9 @@ func (o *PorchServerOptions) Config() (*apiserver.Config, error) {
 		o.SharedInformerFactory = informerFactory
 		return []admission.PluginInitializer{}, nil
 	}
-
 	if o.DisableValidatingAdmissionPolicy {
 		o.RecommendedOptions.Admission.DisablePlugins = []string{"ValidatingAdmissionPolicy"}
 	}
-
 	serverConfig := genericapiserver.NewRecommendedConfig(apiserver.Codecs)
 
 	serverConfig.OpenAPIConfig = genericapiserver.DefaultOpenAPIConfig(sampleopenapi.GetOpenAPIDefinitions, openapi.NewDefinitionNamer(apiserver.Scheme))
@@ -186,6 +185,7 @@ func (o *PorchServerOptions) Config() (*apiserver.Config, error) {
 	serverConfig.OpenAPIV3Config = genericapiserver.DefaultOpenAPIV3Config(sampleopenapi.GetOpenAPIDefinitions, openapi.NewDefinitionNamer(apiserver.Scheme))
 	serverConfig.OpenAPIConfig.Info.Title = OpenAPITitle
 	serverConfig.OpenAPIConfig.Info.Version = OpenAPIVersion
+	serverConfig.MaxRequestBodyBytes = o.MaxRequestBodySize
 
 	if err := o.RecommendedOptions.ApplyTo(serverConfig); err != nil {
 		return nil, err
@@ -245,6 +245,7 @@ func (o *PorchServerOptions) AddFlags(fs *pflag.FlagSet) {
 	fs.StringVar(&o.FunctionRunnerAddress, "function-runner", "", "Address of the function runner gRPC service.")
 	fs.StringVar(&o.DefaultImagePrefix, "default-image-prefix", "gcr.io/kpt-fn/", "Default prefix for unqualified function names")
 	fs.StringVar(&o.CacheDirectory, "cache-directory", "", "Directory where Porch server stores repository and package caches.")
+	fs.Int64Var(&o.MaxRequestBodySize, "max-request-body-size", 6*1024*1024, "Maximum size of the request body in bytes.")
 	fs.BoolVar(&o.UseGitCaBundle, "use-git-cabundle", false, "Determine whether to use a user-defined CaBundle for TLS towards git.")
 	fs.BoolVar(&o.DisableValidatingAdmissionPolicy, "disable-validating-admissions-policy", true, "Determine whether to (dis|en)able the Validating Admission Policy, which requires k8s version >= v1.30")
 	fs.DurationVar(&o.RepoSyncFrequency, "repo-sync-frequency", 60*time.Second, "Frequency in seconds at which registered repositories will be synced.")
diff --git a/test/e2e/e2e_test.go b/test/e2e/e2e_test.go
index d939a6d4..74c54f3e 100644
--- a/test/e2e/e2e_test.go
+++ b/test/e2e/e2e_test.go
@@ -2856,3 +2856,43 @@ func (t *PorchSuite) TestPackageRevisionFieldSelectors(ctx context.Context) {
 		}
 	}
 }
+
+func (t *PorchSuite) TestLargePackageRevision(ctx context.Context) {
+	const (
+		repository = "large-pkg-rev"
+	)
+
+	t.RegisterMainGitRepositoryF(ctx, repository)
+	pr := porchapi.PackageRevision{
+		TypeMeta: metav1.TypeMeta{
+			Kind:       porchapi.PackageRevisionGVR.Resource,
+			APIVersion: porchapi.SchemeGroupVersion.String(),
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: t.Namespace,
+		},
+		Spec: porchapi.PackageRevisionSpec{
+			PackageName:    "new-package",
+			WorkspaceName:  "workspace",
+			RepositoryName: repository,
+			Tasks: []porchapi.Task{
+				{
+					Type: porchapi.TaskTypeInit,
+					Init: &porchapi.PackageInitTaskSpec{
+						Description: "this is a test",
+					},
+				},
+			},
+		},
+	}
+
+	t.CreateE(ctx, &pr)
+
+	var prr porchapi.PackageRevisionResources
+
+	t.GetE(ctx, client.ObjectKey{Name: pr.Name, Namespace: pr.Namespace}, &prr)
+
+	prr.Spec.Resources["largefile.txt"] = strings.Repeat("a", 4*1024*1024)
+
+	t.UpdateE(ctx, &prr)
+}