diff --git a/pkgs/games/dwarf-fortress/default.nix b/pkgs/games/dwarf-fortress/default.nix
index 8b4e8bfce828..c4a10155523f 100644
--- a/pkgs/games/dwarf-fortress/default.nix
+++ b/pkgs/games/dwarf-fortress/default.nix
@@ -4,17 +4,17 @@
 
 let
   baseVersion = "40";
-  patchVersion = "19";
+  patchVersion = "23";
   srcs = {
     df_unfuck = fetchgit {
       url = "https://github.com/svenstaro/dwarf_fortress_unfuck";
-      rev = "dadf3d48e93a2800db5d4f98d775ba8453ca55a4";
-      sha256 = "011pbcfc3a0mnwqg3pkhngnb1h7z1jbx4qbvj03blpzfjia075sv";
+      rev = "c6ec52520c44ba09d0d14c1688d2e9d70354fd01";
+      sha256 = "0pp602ykyrq4rhyrf3pyy9vplxlkl256lw8bcfmgh0mqzzap9wq9";
     };
 
     df = fetchurl {
       url = "http://www.bay12games.com/dwarves/df_${baseVersion}_${patchVersion}_linux.tar.bz2";
-      sha256 = "16xb6py7l1hf9hc7gn50nwajqgmv01zdhbkh7g6a8gnx7wlhl2p9";
+      sha256 = "12gjb19scdgsz7zgk9s01qjxqrvh7z0xr68svwgxxqn4wf8kppcl";
     };
   };