diff --git a/.gitignore b/.gitignore
index 1fc571d..e7e5c35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,8 @@
 # Regenerable or external — never committed.
 # The edition PDF is a build product: `make` remakes it from src/ and plates/.
 ross-1988-retypeset.pdf
-older-versions/*.pdf
+ross-1988-retypeset.epub
+older-versions/
 
 # The ProQuest scan: 16 MB of third-party material, and the one input that is
 # not ours to redistribute. Keep it locally at source/10731406.pdf; `make prep`
@@ -25,4 +26,3 @@ __pycache__/
 .scratch/
 
 # The reflowable edition, like the PDF, is remade by `make epub`.
-ross-1988-retypeset.epub