diff --git a/task_opts.go b/task_opts.go
index 9e998a349..0c05fcbe7 100644
--- a/task_opts.go
+++ b/task_opts.go
@@ -18,10 +18,12 @@ package containerd
 
 import (
 	"context"
+	"errors"
 	"syscall"
 
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/mount"
+	specs "github.com/opencontainers/runtime-spec/specs-go"
 )
 
 // NewTaskOpts allows the caller to set options on a new task
@@ -92,3 +94,19 @@ func WithKillExecID(execID string) KillOpts {
 		return nil
 	}
 }
+
+// WithResources sets the provided resources for task updates. Resources must be
+// either a *specs.LinuxResources or a *specs.WindowsResources
+func WithResources(resources interface{}) UpdateTaskOpts {
+	return func(ctx context.Context, client *Client, r *UpdateTaskInfo) error {
+		switch resources.(type) {
+		case *specs.LinuxResources:
+		case *specs.WindowsResources:
+		default:
+			return errors.New("WithResources requires a *specs.LinuxResources or *specs.WindowsResources")
+		}
+
+		r.Resources = resources
+		return nil
+	}
+}
diff --git a/task_opts_linux.go b/task_opts_linux.go
index 551cb996c..b7e626206 100644
--- a/task_opts_linux.go
+++ b/task_opts_linux.go
@@ -21,17 +21,8 @@ import (
 	"errors"
 
 	"github.com/containerd/containerd/runtime/linux/runctypes"
-	"github.com/opencontainers/runtime-spec/specs-go"
 )
 
-// WithResources sets the provided resources for task updates
-func WithResources(resources *specs.LinuxResources) UpdateTaskOpts {
-	return func(ctx context.Context, client *Client, r *UpdateTaskInfo) error {
-		r.Resources = resources
-		return nil
-	}
-}
-
 // WithNoNewKeyring causes tasks not to be created with a new keyring for secret storage.
 // There is an upper limit on the number of keyrings in a linux system
 func WithNoNewKeyring(ctx context.Context, c *Client, ti *TaskInfo) error {
diff --git a/task_opts_windows.go b/task_opts_windows.go
deleted file mode 100644
index 60836bc8f..000000000
--- a/task_opts_windows.go
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
-   Copyright The containerd Authors.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package containerd
-
-import (
-	"context"
-
-	specs "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-// WithResources sets the provided resources on the spec for task updates
-func WithResources(resources *specs.WindowsResources) UpdateTaskOpts {
-	return func(ctx context.Context, client *Client, r *UpdateTaskInfo) error {
-		r.Resources = resources
-		return nil
-	}
-}