diff --git a/pkgs/applications/graphics/meshlab/default.nix b/pkgs/applications/graphics/meshlab/default.nix
index 67b64ee575c0..8633494a4ca4 100644
--- a/pkgs/applications/graphics/meshlab/default.nix
+++ b/pkgs/applications/graphics/meshlab/default.nix
@@ -1,7 +1,6 @@
 { mkDerivation
 , lib
 , fetchFromGitHub
-, fetchpatch
 , libGLU
 , qtbase
 , qtscript
@@ -19,13 +18,13 @@
 
 mkDerivation rec {
   pname = "meshlab";
-  version = "2020.07";
+  version = "2020.12";
 
   src = fetchFromGitHub {
     owner = "cnr-isti-vclab";
     repo = "meshlab";
     rev = "Meshlab-${version}";
-    sha256 = "0vj849b57zk3k6lx35zzcjhr9gdy4hxqnnkb8chwy7hw262cm3ri";
+    sha256 = "QrnqXEVqI1ADUYWalZ0h/0+xS+gDZTinm0weT39onw0=";
     fetchSubmodules = true; # for vcglib
   };
 
@@ -46,17 +45,11 @@ mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  patches = [
-    # Make cmake use the system qhull. The next meshlab will not need this patch because it is already in master.
-    (fetchpatch {
-      url = "https://patch-diff.githubusercontent.com/raw/cnr-isti-vclab/meshlab/pull/747.patch";
-      sha256 = "0wx9f6zn458xz3lsqcgvsbwh1pgi3g0lah93nlbsb0sagng7n565";
-    })
-  ];
-
   preConfigure = ''
-    substituteAll ${./meshlab.desktop} install/linux/resources/meshlab.desktop
-    cd src
+    substituteAll ${./meshlab.desktop} scripts/Linux/resources/meshlab.desktop
+    cmakeDir=$PWD/src
+    mkdir ../build
+    cd ../build
   '';
 
   cmakeFlags = [
@@ -75,19 +68,12 @@ mkDerivation rec {
 
   postFixup = ''
     patchelf --add-needed $out/lib/meshlab/libmeshlab-common.so $out/bin/.meshlab-wrapped
-    patchelf --add-needed $out/lib/meshlab/libmeshlab-common.so $out/bin/.meshlabserver-wrapped
   '';
 
-  # Meshlab is not format-security clean; without disabling hardening, we get:
-  # src/common/GLLogStream.h:61:37: error: format not a string literal and no format arguments [-Werror=format-security]
-  #  61 |         int chars_written = snprintf(buf, buf_size, f, std::forward<Ts>(ts)...);
-  #     |
-  hardeningDisable = [ "format" ];
-
   meta = {
     description = "A system for processing and editing 3D triangular meshes";
     homepage = "https://www.meshlab.net/";
-    license = lib.licenses.gpl3;
+    license = lib.licenses.gpl3Only;
     maintainers = with lib.maintainers; [ viric ];
     platforms = with lib.platforms; linux;
   };