diff --git a/pkgs/by-name/le/lemon/package.nix b/pkgs/by-name/le/lemon/package.nix
index c870a191559b..18ef9cd97fc7 100644
--- a/pkgs/by-name/le/lemon/package.nix
+++ b/pkgs/by-name/le/lemon/package.nix
@@ -9,11 +9,13 @@ let
   srcs = {
     lemon = fetchurl {
       hash = "sha256-TXVOEtRpOhLCyi4C3RMt0lHmMp/y2K5YdL8ND6WPrOY=";
+      # from 2026-01-04
       url = "https://www.sqlite.org/src/raw/3fdc16b23f1ea0c91c049b518fc3f75c71843dbfe2b447fcb3cd92d9e4f219f8?at=lemon.c";
       name = "lemon.c";
     };
     lempar = fetchurl {
       hash = "sha256-TYKrUJHtpoljeRWZq4Y1rYLlu7LeM/HuUhe3LJZZkVo=";
+      # from 2025-11-18
       url = "https://www.sqlite.org/src/raw/b57e1780bf8098dd4a9a5bba537f994276ea825a420f6165153e5894dc2dfb07?at=lempar.c";
       name = "lempar.c";
     };
@@ -22,7 +24,7 @@ let
 in
 stdenv.mkDerivation {
   pname = "lemon";
-  version = "1.0-unstable";
+  version = "1.0-unstable-2026-01-04";
 
   dontUnpack = true;