diff --git a/pkgs/applications/misc/josm/default.nix b/pkgs/applications/misc/josm/default.nix
index ffcf26f7c003..ff0e995d71da 100644
--- a/pkgs/applications/misc/josm/default.nix
+++ b/pkgs/applications/misc/josm/default.nix
@@ -3,15 +3,15 @@
 }:
 let
   pname = "josm";
-  version = "18700";
+  version = "18721";
   srcs = {
     jar = fetchurl {
       url = "https://josm.openstreetmap.de/download/josm-snapshot-${version}.jar";
-      hash = "sha256-rJw38pOHi+OIjIKgglU0Y2Tlc/b8K9f04ru2IH0CUJ0=";
+      hash = "sha256-nc6itoblAzP064xTTF8q990TiRX3+zf5uk+enS+C5Jo=";
     };
     macosx = fetchurl {
       url = "https://josm.openstreetmap.de/download/macosx/josm-macos-${version}-java17.zip";
-      hash = "sha256-RTRe2GZz5B9QEYF04PiKtKJkWu0Em5WBqK4dVQVHK0g=";
+      hash = "sha256-uaj32PupxAS5Pa7us9sIeeepGJ6BIljm41e6onB7zxQ=";
     };
     pkg = fetchsvn {
       url = "https://josm.openstreetmap.de/svn/trunk/native/linux/tested";