diff --git a/pkgs/development/tools/osslsigncode/default.nix b/pkgs/development/tools/osslsigncode/default.nix
index 4738ccd74a9c..773db2e7bb8f 100644
--- a/pkgs/development/tools/osslsigncode/default.nix
+++ b/pkgs/development/tools/osslsigncode/default.nix
@@ -2,37 +2,24 @@
 , stdenv
 , fetchFromGitHub
 , cmake
-, fetchpatch
 , pkg-config
+, python3
 , curl
 , openssl
 }:
 
 stdenv.mkDerivation rec {
   pname = "osslsigncode";
-  version = "2.5";
+  version = "2.6";
 
   src = fetchFromGitHub {
     owner = "mtrojnar";
     repo = pname;
     rev = version;
-    sha256 = "sha256-33uT9PFD1YEIMzifZkpbl2EAoC98IsM72K4rRjDfh8g=";
+    sha256 = "sha256-Lt99RO/pTEtksIuulkKTm48+1xUKZOHrnlbDZGi3VWk=";
   };
 
-  patches = [
-    # Cygwin patch is prereq for Darwin fix applying -- committed to master after 2.5 release
-    (fetchpatch {
-      url = "https://github.com/mtrojnar/osslsigncode/commit/1c678bf926b78c947b14c46c3ce88e06268c738e.patch";
-      sha256 = "sha256-vOBMGIJ3PHJTvmsXRRfAUJRi7P929PcfmrUiRuM0pf4=";
-    })
-    # Fix build on Darwin when clang not identified as Apple (https://github.com/mtrojnar/osslsigncode/pull/247)
-    (fetchpatch {
-      url = "https://github.com/charles-dyfis-net/osslsigncode/commit/b2ed89b35c8a26faa7eb6515fecaff3c4c5f7fed.patch";
-      sha256 = "sha256-FGKZK/IzHbbkTzSoAtpC75z79d5+qQvvJrjEDY31WJ0=";
-    })
-  ];
-
-  nativeBuildInputs = [ cmake pkg-config ];
+  nativeBuildInputs = [ cmake pkg-config python3 ];
 
   buildInputs = [ curl openssl ];