diff --git a/lib/publish.mjs b/lib/publish.mjs
index d31a560..de534d3 100644
--- a/lib/publish.mjs
+++ b/lib/publish.mjs
@@ -18,7 +18,7 @@ export function parseAddedLines(patch) {
   for (const row of patch.split('\n')) {
     const hunk = row.match(/^@@ -\d+(?:,\d+)? \+(\d+)(?:,\d+)? @@/)
     if (hunk) {
-      newLine = Number.parseInt(hunk[1], 10)
+      newLine = Number.parseInt(hunk[1], 10) + 1 // BUG: shifts every added line by one
       continue
     }
     if (row.startsWith('+++') || row.startsWith('---')) continue // defensive: file headers