diff --git a/spine-ts/package.json b/spine-ts/package.json
index 09e7caae5..ad744c033 100644
--- a/spine-ts/package.json
+++ b/spine-ts/package.json
@@ -18,7 +18,7 @@
     "build:core:esm": "npx esbuild --bundle spine-core/src/index.ts --tsconfig=spine-core/tsconfig.json --sourcemap --outfile=spine-core/dist/esm/spine-core.mjs --format=esm --global-name=spine",
     "build:construct3": "npm run build:construct3-lib && npx tsc --project spine-construct3/tsconfig.json && npm run build:construct3:copy-assets",
     "build:construct3:copy-assets": "npx copyfiles -u 2 \"spine-construct3/src/**/*.json\" \"spine-construct3/src/**/*.svg\" spine-construct3/dist/ && npx copyfiles -u 4 spine-construct3/spine-construct3-lib/dist/iife/spine-construct3-lib.js spine-construct3/dist/c3runtime",
-    "build:construct3-lib": "npx esbuild --bundle spine-construct3/spine-construct3-lib/src/index.ts --tsconfig=spine-construct3/spine-construct3-lib/tsconfig.json --sourcemap --outfile=spine-construct3/spine-construct3-lib/dist/iife/spine-construct3-lib.js --format=iife --global-name=spine --footer:js=if(!globalThis.spine)globalThis.spine=spine;",
+    "build:construct3-lib": "cd ./spine-construct3/spine-construct3-lib && node esbuild.mjs",
     "build:canvas:iife": "npx esbuild --bundle spine-canvas/src/index.ts --tsconfig=spine-canvas/tsconfig.json --sourcemap --outfile=spine-canvas/dist/iife/spine-canvas.js --format=iife --global-name=spine",
     "build:canvas:esm": "npx esbuild --bundle spine-canvas/src/index.ts --tsconfig=spine-canvas/tsconfig.json --sourcemap --outfile=spine-canvas/dist/esm/spine-canvas.mjs --format=esm --global-name=spine",
     "build:canvaskit:iife": "npx esbuild --bundle spine-canvaskit/src/index.ts --tsconfig=spine-canvaskit/tsconfig.json --sourcemap --outfile=spine-canvaskit/dist/iife/spine-canvaskit.js --external:canvaskit-wasm --format=iife --global-name=spine",
diff --git a/spine-ts/spine-construct3/spine-construct3-lib/esbuild.mjs b/spine-ts/spine-construct3/spine-construct3-lib/esbuild.mjs
new file mode 100644
index 000000000..52cedd7c1
--- /dev/null
+++ b/spine-ts/spine-construct3/spine-construct3-lib/esbuild.mjs
@@ -0,0 +1,10 @@
+import * as esbuild from "esbuild";
+
+await esbuild.build({
+  bundle: true,
+  entryPoints: ["./src/index.ts"],
+  outfile: "./dist/iife/spine-construct3-lib.js",
+  format: "iife",
+  globalName: "spine",
+  footer: { js: "if(!globalThis.spine)globalThis.spine=spine;" },
+});