diff --git a/pkgs/development/libraries/physics/yoda/default.nix b/pkgs/development/libraries/physics/yoda/default.nix
index 9398c4d2f36e..6fb9b9560aae 100644
--- a/pkgs/development/libraries/physics/yoda/default.nix
+++ b/pkgs/development/libraries/physics/yoda/default.nix
@@ -1,39 +1,14 @@
-{ lib, stdenv, fetchurl, fetchpatch, python, root, makeWrapper, zlib, withRootSupport ? false }:
+{ lib, stdenv, fetchurl, python, root, makeWrapper, zlib, withRootSupport ? false }:
 
 stdenv.mkDerivation rec {
   pname = "yoda";
-  version = "1.9.0";
+  version = "1.9.1";
 
   src = fetchurl {
     url = "https://www.hepforge.org/archive/yoda/YODA-${version}.tar.bz2";
-    sha256 = "1x7xi6w7lb92x8202kbaxgqg1sly534wana4f38l3gpbzw9dwmcs";
+    sha256 = "sha256-xhagWmVlvlsayL0oWTihoxhq0ejejEACCsdQqFN1HUw=";
   };
 
-  patches = [
-    # fix a minor bug
-    # https://gitlab.com/hepcedar/yoda/-/merge_requests/38
-    (fetchpatch {
-      name = "yoda-fix-fuzzy-compare-bin2d.patch";
-      url = "https://gitlab.com/hepcedar/yoda/-/commit/a2999d78cb3d9ed874f367bad375dc39a1a11148.diff";
-      sha256 = "sha256-BsaVm+4VtCvRoEuN4r6A4bj9XwgMe75UesKzN+b56Qw=";
-    })
-    # fix a regression
-    # https://gitlab.com/hepcedar/yoda/-/merge_requests/40
-    (fetchpatch {
-      name = "yoda-fix-for-yodagz.patch";
-      url = "https://gitlab.com/hepcedar/yoda/-/commit/3338ba5a7466599ac6969e4ae462f133d6cf4fd8.diff";
-      sha256 = "sha256-MZTOIt468bdPCS7UVfr5hQZUsVy3TpY/TjRrNySIL70=";
-      excludes = [ "ChangeLog" ];
-    })
-    # fix a minor bug
-    # https://gitlab.com/hepcedar/yoda/-/merge_requests/45
-    (fetchpatch {
-      name = "yoda-fix-yodascale-for-gz.patch";
-      url = "https://gitlab.com/hepcedar/yoda/-/commit/b03162aeaa2c99e38512ba6e4818d2e0a825b757.diff";
-      sha256 = "sha256-IMuPalQ/GKcdJOKAlwE/IRWtxDdu0inoj+A9nbRl6Gs=";
-    })
-  ];
-
   nativeBuildInputs = with python.pkgs; [ cython makeWrapper ];
   buildInputs = [ python ]
     ++ (with python.pkgs; [ numpy matplotlib ])
@@ -58,6 +33,12 @@ stdenv.mkDerivation rec {
   doInstallCheck = true;
   installCheckTarget = "check";
 
+  # Workaround for https://gitlab.com/hepcedar/yoda/-/merge_requests/49
+  preInstallCheck = ''
+    cp tests/test{1,}.yoda
+    gzip -c tests/test.yoda > tests/test.yoda.gz
+  '';
+
   meta = {
     description = "Provides small set of data analysis (specifically histogramming) classes";
     license     = lib.licenses.gpl3;