diff --git a/pkgs/by-name/sh/shrinkray/package.nix b/pkgs/by-name/sh/shrinkray/package.nix
index f2fda3fa9453..666d26cc3efb 100644
--- a/pkgs/by-name/sh/shrinkray/package.nix
+++ b/pkgs/by-name/sh/shrinkray/package.nix
@@ -1,47 +1,82 @@
 {
+  bash,
+  black,
+  clang-tools,
   coreutils,
-  creduce,
+  cvise,
   fetchFromGitHub,
   lib,
+  minisat,
   python3,
 }:
 
-python3.pkgs.buildPythonApplication {
+python3.pkgs.buildPythonApplication rec {
   pname = "shrinkray";
-  version = "25.9.1-unstable-2025-09-11";
+  version = "26.2.4.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "DRMacIver";
     repo = "shrinkray";
-    rev = "21dac48cdb7f3a375a4ac5e5c782b7d4d3711d36";
-    hash = "sha256-ef0vsWfLl0hJ7WfwInh++GAbw3qTZe8RAVNLxQCTNNs=";
+    tag = "v${version}";
+    hash = "sha256-y8NZJ80KM+wW58YAWT7Cx3uh08imI7sbs487GbANyJg=";
   };
-  patches = [ ./tests-remove-black.patch ];
   postPatch = ''
     substituteInPlace tests/test_main.py \
-      --replace-fail '/usr/bin/env' '${coreutils}/bin/env'
+      --replace-fail '/usr/bin/env' '${lib.getExe' coreutils "env"}'
+    substituteInPlace \
+      tests/test_cli.py \
+      tests/test_history.py \
+      tests/test_main.py \
+      tests/test_state.py \
+      tests/test_subprocess_worker.py \
+      tests/test_tui.py \
+      tests/test_validation.py \
+      --replace-fail '#!/bin/bash' '#!${lib.getExe bash}'
+    substituteInPlace src/shrinkray/formatting.py \
+      --replace-fail 'find_python_command("black")' '"${lib.getExe black}"' \
+      --replace-fail 'which("clang-format")' '"${lib.getExe' clang-tools "clang-format"}"'
+    substituteInPlace src/shrinkray/passes/clangdelta.py \
+      --replace-fail 'which("clang_delta")' '"${cvise}/libexec/cvise/clang_delta"'
   '';
 
   build-system = [ python3.pkgs.setuptools ];
-  propagatedBuildInputs = with python3.pkgs; [
+  dependencies = with python3.pkgs; [
     click
     chardet
     trio
-    urwid
+    textual
+    textual-plotext
     humanize
     libcst
     exceptiongroup
     binaryornot
   ];
-  checkInputs = with python3.pkgs; [
+  propagatedNativeBuildInputs = [
+    black
+    clang-tools
+  ];
+  nativeCheckInputs = [
+    minisat
+  ]
+  ++ (with python3.pkgs; [
     hypothesis
     hypothesmith
     pytest-trio
+    pytest-textual-snapshot
     pygments
-  ];
-  nativeCheckInputs = with python3.pkgs; [
+    pexpect
+    pyte
+    pip
     pytestCheckHook
+  ]);
+
+  disabledTestPaths = [
+    # Tests pretending these utilities are missing don't pass when we
+    # patch in absolute paths
+    "tests/test_clang_delta.py::test_find_clang_delta_when_found_in_path"
+    "tests/test_clang_delta.py::test_find_clang_delta_when_not_found_anywhere"
+    "tests/test_formatting.py::test_default_formatter_python_files_without_black"
   ];
 
   meta = {
diff --git a/pkgs/by-name/sh/shrinkray/tests-remove-black.patch b/pkgs/by-name/sh/shrinkray/tests-remove-black.patch
deleted file mode 100644
index e680ede055ee..000000000000
--- a/pkgs/by-name/sh/shrinkray/tests-remove-black.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-diff --git a/tests/test_main.py b/tests/test_main.py
-index ec6453e..a219750 100644
---- a/tests/test_main.py
-+++ b/tests/test_main.py
-@@ -5,16 +5,11 @@ import pathlib
- import pytest
- 
- import trio
--import black
- from shrinkray.__main__ import interrupt_wait_and_kill, main
- from click.testing import CliRunner
- from attrs import define
- 
- 
--def format(s):
--    return black.format_str(s, mode=black.Mode()).strip()
--
--
- async def test_kill_process():
-     async with trio.open_nursery() as nursery:
-         kwargs = dict(
-@@ -100,10 +95,8 @@ except AssertionError:
-     assert not b.exists()
-     assert c.exists()
- 
--    # TODO: Remove calls to format when formatting is implemented properly for
--    # directories.
--    assert format(a.read_text()) == "x = 0"
--    assert format(c.read_text()) == "from a import x\n\nassert x"
-+    assert a.read_text() == "x=0"
-+    assert c.read_text() == "from\ta\timport\tx\nassert\tx"
- 
- 
- def test_gives_informative_error_when_script_does_not_work_outside_current_directory(