diff --git a/.changeset/kind-wombats-care.md b/.changeset/kind-wombats-care.md
new file mode 100644
index 000000000..5c743d7c3
--- /dev/null
+++ b/.changeset/kind-wombats-care.md
@@ -0,0 +1,5 @@
+---
+'skuba': patch
+---
+
+**build:** Fix `--out-dir requires filenames` error on experimental Babel builds
diff --git a/src/cli/build/babel.ts b/src/cli/build/babel.ts
index e684112c4..24554a57a 100644
--- a/src/cli/build/babel.ts
+++ b/src/cli/build/babel.ts
@@ -11,5 +11,6 @@ export const babel = () =>
     '--out-dir',
     'lib',
     '--source-maps',
+    'true',
     'src',
   );