diff --git a/.changes/unreleased/NOTES-20241030-173604.yaml b/.changes/unreleased/NOTES-20241030-173604.yaml
new file mode 100644
index 0000000000..21ed027886
--- /dev/null
+++ b/.changes/unreleased/NOTES-20241030-173604.yaml
@@ -0,0 +1,8 @@
+kind: NOTES
+body: 'helper/schema: While this Go module will not receive support for ephemeral
+  resource types, the provider server is updated to handle the new operations, which
+  will be required to prevent errors when updating `terraform-plugin-framework` or
+  `terraform-plugin-mux` in the future.'
+time: 2024-10-30T17:36:04.538418-04:00
+custom:
+  Issue: "1390"
diff --git a/helper/schema/grpc_provider.go b/helper/schema/grpc_provider.go
index 85643cd356..d9870cbc84 100644
--- a/helper/schema/grpc_provider.go
+++ b/helper/schema/grpc_provider.go
@@ -84,6 +84,7 @@ func (s *GRPCProviderServer) GetMetadata(ctx context.Context, req *tfprotov5.Get
 
 	resp := &tfprotov5.GetMetadataResponse{
 		DataSources:        make([]tfprotov5.DataSourceMetadata, 0, len(s.provider.DataSourcesMap)),
+		EphemeralResources: make([]tfprotov5.EphemeralResourceMetadata, 0),
 		Functions:          make([]tfprotov5.FunctionMetadata, 0),
 		Resources:          make([]tfprotov5.ResourceMetadata, 0, len(s.provider.ResourcesMap)),
 		ServerCapabilities: s.serverCapabilities(),
@@ -110,10 +111,11 @@ func (s *GRPCProviderServer) GetProviderSchema(ctx context.Context, req *tfproto
 	logging.HelperSchemaTrace(ctx, "Getting provider schema")
 
 	resp := &tfprotov5.GetProviderSchemaResponse{
-		DataSourceSchemas:  make(map[string]*tfprotov5.Schema, len(s.provider.DataSourcesMap)),
-		Functions:          make(map[string]*tfprotov5.Function, 0),
-		ResourceSchemas:    make(map[string]*tfprotov5.Schema, len(s.provider.ResourcesMap)),
-		ServerCapabilities: s.serverCapabilities(),
+		DataSourceSchemas:        make(map[string]*tfprotov5.Schema, len(s.provider.DataSourcesMap)),
+		EphemeralResourceSchemas: make(map[string]*tfprotov5.Schema, 0),
+		Functions:                make(map[string]*tfprotov5.Function, 0),
+		ResourceSchemas:          make(map[string]*tfprotov5.Schema, len(s.provider.ResourcesMap)),
+		ServerCapabilities:       s.serverCapabilities(),
 	}
 
 	resp.Provider = &tfprotov5.Schema{
@@ -1482,6 +1484,78 @@ func (s *GRPCProviderServer) GetFunctions(ctx context.Context, req *tfprotov5.Ge
 	return resp, nil
 }
 
+func (s *GRPCProviderServer) ValidateEphemeralResourceConfig(ctx context.Context, req *tfprotov5.ValidateEphemeralResourceConfigRequest) (*tfprotov5.ValidateEphemeralResourceConfigResponse, error) {
+	ctx = logging.InitContext(ctx)
+
+	logging.HelperSchemaTrace(ctx, "Returning error for ephemeral resource validate")
+
+	resp := &tfprotov5.ValidateEphemeralResourceConfigResponse{
+		Diagnostics: []*tfprotov5.Diagnostic{
+			{
+				Severity: tfprotov5.DiagnosticSeverityError,
+				Summary:  "Unknown Ephemeral Resource Type",
+				Detail:   fmt.Sprintf("The %q ephemeral resource type is not supported by this provider.", req.TypeName),
+			},
+		},
+	}
+
+	return resp, nil
+}
+
+func (s *GRPCProviderServer) OpenEphemeralResource(ctx context.Context, req *tfprotov5.OpenEphemeralResourceRequest) (*tfprotov5.OpenEphemeralResourceResponse, error) {
+	ctx = logging.InitContext(ctx)
+
+	logging.HelperSchemaTrace(ctx, "Returning error for ephemeral resource open")
+
+	resp := &tfprotov5.OpenEphemeralResourceResponse{
+		Diagnostics: []*tfprotov5.Diagnostic{
+			{
+				Severity: tfprotov5.DiagnosticSeverityError,
+				Summary:  "Unknown Ephemeral Resource Type",
+				Detail:   fmt.Sprintf("The %q ephemeral resource type is not supported by this provider.", req.TypeName),
+			},
+		},
+	}
+
+	return resp, nil
+}
+
+func (s *GRPCProviderServer) RenewEphemeralResource(ctx context.Context, req *tfprotov5.RenewEphemeralResourceRequest) (*tfprotov5.RenewEphemeralResourceResponse, error) {
+	ctx = logging.InitContext(ctx)
+
+	logging.HelperSchemaTrace(ctx, "Returning error for ephemeral resource renew")
+
+	resp := &tfprotov5.RenewEphemeralResourceResponse{
+		Diagnostics: []*tfprotov5.Diagnostic{
+			{
+				Severity: tfprotov5.DiagnosticSeverityError,
+				Summary:  "Unknown Ephemeral Resource Type",
+				Detail:   fmt.Sprintf("The %q ephemeral resource type is not supported by this provider.", req.TypeName),
+			},
+		},
+	}
+
+	return resp, nil
+}
+
+func (s *GRPCProviderServer) CloseEphemeralResource(ctx context.Context, req *tfprotov5.CloseEphemeralResourceRequest) (*tfprotov5.CloseEphemeralResourceResponse, error) {
+	ctx = logging.InitContext(ctx)
+
+	logging.HelperSchemaTrace(ctx, "Returning error for ephemeral resource close")
+
+	resp := &tfprotov5.CloseEphemeralResourceResponse{
+		Diagnostics: []*tfprotov5.Diagnostic{
+			{
+				Severity: tfprotov5.DiagnosticSeverityError,
+				Summary:  "Unknown Ephemeral Resource Type",
+				Detail:   fmt.Sprintf("The %q ephemeral resource type is not supported by this provider.", req.TypeName),
+			},
+		},
+	}
+
+	return resp, nil
+}
+
 func pathToAttributePath(path cty.Path) *tftypes.AttributePath {
 	var steps []tftypes.AttributePathStep
 
diff --git a/helper/schema/grpc_provider_test.go b/helper/schema/grpc_provider_test.go
index 7dacdd6ea5..e025e13cbe 100644
--- a/helper/schema/grpc_provider_test.go
+++ b/helper/schema/grpc_provider_test.go
@@ -3319,8 +3319,9 @@ func TestGRPCProviderServerGetMetadata(t *testing.T) {
 						TypeName: "test_datasource2",
 					},
 				},
-				Functions: []tfprotov5.FunctionMetadata{},
-				Resources: []tfprotov5.ResourceMetadata{},
+				Functions:          []tfprotov5.FunctionMetadata{},
+				EphemeralResources: []tfprotov5.EphemeralResourceMetadata{},
+				Resources:          []tfprotov5.ResourceMetadata{},
 				ServerCapabilities: &tfprotov5.ServerCapabilities{
 					GetProviderSchemaOptional: true,
 				},
@@ -3346,7 +3347,8 @@ func TestGRPCProviderServerGetMetadata(t *testing.T) {
 						TypeName: "test_datasource2",
 					},
 				},
-				Functions: []tfprotov5.FunctionMetadata{},
+				Functions:          []tfprotov5.FunctionMetadata{},
+				EphemeralResources: []tfprotov5.EphemeralResourceMetadata{},
 				Resources: []tfprotov5.ResourceMetadata{
 					{
 						TypeName: "test_resource1",
@@ -3368,8 +3370,9 @@ func TestGRPCProviderServerGetMetadata(t *testing.T) {
 				},
 			},
 			Expected: &tfprotov5.GetMetadataResponse{
-				DataSources: []tfprotov5.DataSourceMetadata{},
-				Functions:   []tfprotov5.FunctionMetadata{},
+				DataSources:        []tfprotov5.DataSourceMetadata{},
+				Functions:          []tfprotov5.FunctionMetadata{},
+				EphemeralResources: []tfprotov5.EphemeralResourceMetadata{},
 				Resources: []tfprotov5.ResourceMetadata{
 					{
 						TypeName: "test_resource1",