diff --git a/pkgs/development/libraries/lib3mf/default.nix b/pkgs/development/libraries/lib3mf/default.nix
index 5d1894da5799..10732a14e488 100644
--- a/pkgs/development/libraries/lib3mf/default.nix
+++ b/pkgs/development/libraries/lib3mf/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "lib3mf";
-  version = "1.8.1";
+  version = "2.0.0";
 
   src = fetchFromGitHub {
     owner = "3MFConsortium";
     repo = pname;
     rev = "v${version}";
-    sha256 = "11wpk6n9ga2p57h1dcrp37w77mii0r7r6mlrgmykf7rvii1rzgqd";
+    sha256 = "0w4d9zvl95g1x3r5nyd6cr27g6fwhhwaivh8a5r1xs5l6if21x19";
   };
 
   nativeBuildInputs = [ cmake ninja ];
@@ -16,8 +16,8 @@ stdenv.mkDerivation rec {
   buildInputs = if stdenv.isDarwin then [ libossp_uuid ] else [ libuuid ];
 
   postPatch = ''
-    rmdir UnitTests/googletest
-    ln -s ${gtest.src} UnitTests/googletest
+    rmdir Tests/googletest
+    ln -s ${gtest.src} Tests/googletest
 
     # fix libdir=''${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
     sed -i 's,=''${\(exec_\)\?prefix}/,=,' lib3MF.pc.in