diff --git a/package-lock.json b/package-lock.json
index fb4a0b6..ba010e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@github/local-action",
-  "version": "2.6.0",
+  "version": "2.6.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@github/local-action",
-      "version": "2.6.0",
+      "version": "2.6.1",
       "license": "MIT",
       "dependencies": {
         "@actions/artifact": "^2.2.0",
diff --git a/package.json b/package.json
index ef2c984..5f7325e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@github/local-action",
   "description": "Local Debugging for GitHub Actions",
-  "version": "2.6.0",
+  "version": "2.6.1",
   "type": "module",
   "author": "Nick Alteen <ncalteen@github.com>",
   "private": false,
diff --git a/src/commands/run.ts b/src/commands/run.ts
index aff0056..3094537 100644
--- a/src/commands/run.ts
+++ b/src/commands/run.ts
@@ -122,6 +122,15 @@ export async function action(): Promise<void> {
   if (dirs.length === 0)
     throw new Error('Could not find node_modules directory')
 
+  // The entrypoint is OS-specific. On Windows, it has to start with a leading
+  // slash, then the drive letter, followed by the rest of the path. In both
+  // cases, the path separators are converted to forward slashes.
+  /* istanbul ignore next */
+  const osEntrypoint =
+    process.platform !== 'win32'
+      ? path.resolve(EnvMeta.entrypoint)
+      : '/' + path.resolve(EnvMeta.entrypoint.replaceAll(path.sep, '/'))
+
   // Stub the `@actions/toolkit` libraries and run the action. Quibble and
   // local-action require a different approach depending on if the called action
   // is written in ESM.
@@ -167,7 +176,7 @@ export async function action(): Promise<void> {
     )
 
     // ESM actions need to be imported, not required.
-    const { run } = await import(path.resolve(EnvMeta.entrypoint))
+    const { run } = await import(osEntrypoint)
 
     // Check if the required path is a function.
     if (typeof run !== 'function')
@@ -218,7 +227,7 @@ export async function action(): Promise<void> {
     )
 
     // CJS actions need to be required, not imported.
-    const { run } = require(path.resolve(EnvMeta.entrypoint))
+    const { run } = require(osEntrypoint)
 
     // Check if the required path is a function.
     if (typeof run !== 'function')