diff --git a/.gitignore b/.gitignore
index 61d5475..d978e4e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,10 +4,7 @@
 /build
 /dist
 /node_modules
-/tests/source/docs/_build
-/tests/test_build_js/source/_build
-/tests/test_build_js/source/docs/_build
-/tests/test_build_ts/source/docs/_build
+_build
 sphinx_js.egg-info/
 # Python 3
 */__pycache__/*
diff --git a/sphinx_js/typedoc.py b/sphinx_js/typedoc.py
index 7b90308..57720e7 100644
--- a/sphinx_js/typedoc.py
+++ b/sphinx_js/typedoc.py
@@ -67,9 +67,7 @@ def typedoc_output(
     env = os.environ.copy()
     env["TYPEDOC_NODE_MODULES"] = str(Path(typedoc).parents[3].resolve())
     command = Command("npx")
-    # tsx v4.9.1 seems to break us for some reason.
-    # TODO: figure out why
-    command.add("tsx@4.9.0")
+    command.add("tsx")
     dir = Path(__file__).parent.resolve() / "js"
     command.add("--tsconfig", str(dir / "tsconfig.json"))
     command.add("--import", str(dir / "registerImportHook.mjs"))