diff --git a/pkgs/by-name/yt/ytree/0001-use-prefix-and-gzip-n.diff b/pkgs/by-name/yt/ytree/0001-use-prefix-and-gzip-n.diff
index 977eaa538302..082975d721f9 100644
--- a/pkgs/by-name/yt/ytree/0001-use-prefix-and-gzip-n.diff
+++ b/pkgs/by-name/yt/ytree/0001-use-prefix-and-gzip-n.diff
@@ -1,25 +1,22 @@
-diff -Naur ytree-2.06-old/Makefile ytree-2.06-new/Makefile
---- ytree-2.06-old/Makefile	2023-11-26 06:15:34.000000000 -0300
-+++ ytree-2.06-new/Makefile	2023-12-01 12:25:36.641958285 -0300
-@@ -11,13 +11,13 @@
- # ADD_CFLAGS: Add -DVI_KEYS if you want vi-cursor-keys
- #
-
--DESTDIR     = /usr
-+PREFIX      = /usr
-
+diff -Naur ytree-2.12-old/Makefile ytree-2.12-new/Makefile
+--- ytree-2.12-old/Makefile	2026-04-20 18:00:22.000000000 +0000
++++ ytree-2.12-new/Makefile	2026-05-17 12:00:00.000000000 +0000
+@@ -14,10 +14,11 @@
+ 
  ADD_CFLAGS  = # -DVI_KEYS
-
+ 
+-DESTDIR     = /usr
 -BINDIR      = $(DESTDIR)/bin
 -MANDIR      = $(DESTDIR)/share/man/man1
--MANESDIR    = $(DESTDIR)/share/man/es/man1
++PREFIX      = /usr
+ 
 +BINDIR      = $(DESTDIR)$(PREFIX)/bin
 +MANDIR      = $(DESTDIR)$(PREFIX)/share/man/man1
 +MANESDIR    = $(DESTDIR)$(PREFIX)/share/man/es/man1
-
-
+ 
  # Uncomment the lines for your system (default is linux)
-@@ -221,7 +221,7 @@
+ 
+@@ -218,7 +219,7 @@
  install:	$(MAIN)
  		if [ ! -e $(BINDIR) ]; then mkdir -p $(BINDIR); fi
  		install $(MAIN) $(BINDIR)
diff --git a/pkgs/by-name/yt/ytree/package.nix b/pkgs/by-name/yt/ytree/package.nix
index 965e5f2fc358..cdb953a46a03 100644
--- a/pkgs/by-name/yt/ytree/package.nix
+++ b/pkgs/by-name/yt/ytree/package.nix
@@ -8,11 +8,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "ytree";
-  version = "2.10";
+  version = "2.12";
 
   src = fetchurl {
     url = "https://han.de/~werner/ytree-${finalAttrs.version}.tar.gz";
-    hash = "sha256-O7u9MvVoza4+A/xzWxeD2MumBaLKYFbRuXEUPX3dUX0=";
+    hash = "sha256-I2bS1fwfZERgMjhj5b6ZdFhLybLWbXJHFlqP8aCZERQ=";
   };
 
   patches = [