diff --git a/src/signals/path-matchers.ts b/src/signals/path-matchers.ts
index c5339e7df6..e1953dbb8c 100644
--- a/src/signals/path-matchers.ts
+++ b/src/signals/path-matchers.ts
@@ -73,10 +73,10 @@ function isGeneratedFileFrom(parts: NormalizedPath): boolean {
     /\.(g|freezed|gr)\.dart$/.test(norm) ||
     // C# codegen: WinForms/WPF designer partials (`.designer.cs`) and XAML/T4 output (`.g.cs`).
     /\.(designer|g)\.cs$/.test(norm) ||
-    // Source maps for bundler/front-end output across JS/TS, frameworks, stylesheets, HTML, and SVG.
+    // Source maps for bundler/front-end output across JS/TS, frameworks, stylesheets, HTML, SVG, and WASM.
     // `.mjs`/`.cjs` are already recognized code extensions (isCodeFile), so their bundlers'
     // `.mjs.map` / `.cjs.map` maps are generated output too — the same as `.js.map`.
-    /\.(js|jsx|mjs|cjs|ts|tsx|mts|cts|vue|svelte|astro|mdx|scss|sass|less|html|svg|css)\.map$/.test(norm) ||
+    /\.(js|jsx|mjs|cjs|ts|tsx|mts|cts|vue|svelte|astro|mdx|scss|sass|less|html|svg|css|wasm)\.map$/.test(norm) ||
     base === "worker-configuration.d.ts"
   );
 }
diff --git a/test/unit/path-matchers.test.ts b/test/unit/path-matchers.test.ts
index ca29f3545e..8bd49bfc39 100644
--- a/test/unit/path-matchers.test.ts
+++ b/test/unit/path-matchers.test.ts
@@ -38,7 +38,7 @@ describe("isGeneratedFile", () => {
     }
   });
 
-  it("matches source maps for every first-class JS/TS, MDX, HTML, SVG, Sass/SCSS/Less, and front-end framework extension", () => {
+  it("matches source maps for JS/TS, MDX, HTML, SVG, WASM, Sass/SCSS/Less, and front-end framework extensions", () => {
     // `.mjs`/`.cjs` are recognized code extensions (isCodeFile), so their bundlers' source
     // maps are generated output too — the same as `.js.map` / `.tsx.map`.
     for (const path of [
@@ -56,9 +56,11 @@ describe("isGeneratedFile", () => {
       "dist/theme.less.map",
       "dist/index.html.map",
       "dist/icon.svg.map",
+      "dist/pkg.wasm.map",
     ]) {
       expect(isGeneratedFile(path)).toBe(true);
     }
+    expect(classifyChangedFile("dist/pkg.wasm.map")).toBe("generated");
   });
 
   it("matches C++ protobuf output alongside the Go/TS/JS plugins", () => {
@@ -443,6 +445,7 @@ describe("classifyChangedFile", () => {
       ["proto/messages.pb.erl", "generated"],
       ["proto/messages.pb.hrl", "generated"],
       ["proto/messages.pb.cr", "generated"],
+      ["dist/pkg.wasm.map", "generated"],
       ["vendor/lib.go", "vendored"],
       ["package-lock.json", "lockfile"],
       ["bun.lock", "lockfile"],