diff --git a/.changeset/healthy-donuts-rule.md b/.changeset/healthy-donuts-rule.md
new file mode 100644
index 000000000000..06c6160c5dd4
--- /dev/null
+++ b/.changeset/healthy-donuts-rule.md
@@ -0,0 +1,5 @@
+---
+swc_common: major
+---
+
+perf(common): Make `new_source_file` lazy