diff --git a/TODO.md b/TODO.md
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+++ b/TODO.md
@@ -16,6 +16,8 @@ Important: deleting a follower should do more that just delete the object, see h
 
 ## Wishlist
 
+Add a pidfile.
+
 Implement Proxying for Media Links to Enhance User Privacy (see https://codeberg.org/grunfink/snac2/issues/219 for more information).
 
 Consider showing only posts by the account owner (not full trees) (see https://codeberg.org/grunfink/snac2/issues/217 for more information).