diff --git a/pkgs/tools/misc/txr/default.nix b/pkgs/tools/misc/txr/default.nix
index d5a37e2e67f0..d8ba08611207 100644
--- a/pkgs/tools/misc/txr/default.nix
+++ b/pkgs/tools/misc/txr/default.nix
@@ -1,12 +1,12 @@
-{ lib, stdenv, fetchurl, bison, flex, libffi }:
+{ lib, stdenv, fetchurl, bison, flex, libffi, coreutils }:
 
 stdenv.mkDerivation rec {
   pname = "txr";
-  version = "231";
+  version = "273";
 
   src = fetchurl {
     url = "http://www.kylheku.com/cgit/txr/snapshot/${pname}-${version}.tar.bz2";
-    sha256 = "0mcglb84zfmrai2bcdg9j0ck8jp8h7ii2rf4m38yjggy0dvii2lc";
+    sha256 = "sha256-l0o60NktIsKn720kO8xzySQBMAVrfYhhWZ8L5K8QrUg=";
   };
 
   nativeBuildInputs = [ bison flex ];
@@ -17,8 +17,16 @@ stdenv.mkDerivation rec {
   doCheck = true;
   checkTarget = "tests";
 
-  # Remove failing test-- mentions 'usr/bin' so probably related :)
-  preCheck = "rm -rf tests/017";
+  postPatch = ''
+    # Fixup references to /usr/bin in tests
+    substituteInPlace tests/017/realpath.tl --replace /usr/bin /bin
+    substituteInPlace tests/017/realpath.expected --replace /usr/bin /bin
+
+    substituteInPlace tests/018/process.tl --replace /usr/bin/env ${lib.getBin coreutils}/bin/env
+  '';
+
+  # Remove failing tests -- 018/chmod tries setting sticky bit
+  preCheck = "rm -rf tests/018/chmod*";
 
   postInstall = ''
     d=$out/share/vim-plugins/txr