diff --git a/.changeset/shy-wasps-exercise.md b/.changeset/shy-wasps-exercise.md
new file mode 100644
index 0000000000..cfc04baef0
--- /dev/null
+++ b/.changeset/shy-wasps-exercise.md
@@ -0,0 +1,5 @@
+---
+'@lit-labs/eleventy-plugin-lit': patch
+---
+
+Use file urls for resolved module paths for Windows compatibility
diff --git a/packages/labs/eleventy-plugin-lit/src/index.ts b/packages/labs/eleventy-plugin-lit/src/index.ts
index 4150628813..47baea3e90 100644
--- a/packages/labs/eleventy-plugin-lit/src/index.ts
+++ b/packages/labs/eleventy-plugin-lit/src/index.ts
@@ -5,6 +5,7 @@
  */
 
 import * as path from 'path';
+import {pathToFileURL} from 'url';
 import {Worker} from 'worker_threads';
 import type {Message} from './worker/types.js';
 
@@ -208,8 +209,8 @@ module.exports = {
       return;
     }
 
-    const resolvedComponentModules = componentModules.map((module) =>
-      path.resolve(process.cwd(), module)
+    const resolvedComponentModules = componentModules.map(
+      (module) => pathToFileURL(path.resolve(process.cwd(), module)).href
     );
 
     switch (mode) {