diff --git a/pkgs/applications/gis/qgis/ltr.nix b/pkgs/applications/gis/qgis/ltr.nix
index 5db9a26ae758..d34e1e69833b 100644
--- a/pkgs/applications/gis/qgis/ltr.nix
+++ b/pkgs/applications/gis/qgis/ltr.nix
@@ -18,6 +18,7 @@ in symlinkJoin rec {
   pythonInputs = qgis-ltr-unwrapped.pythonBuildInputs ++ (extraPythonPackages qgis-ltr-unwrapped.py.pkgs);
 
   postBuild = ''
+    # unpackPhase
 
     buildPythonPath "$pythonInputs"
 
diff --git a/pkgs/applications/gis/qgis/unwrapped-ltr.nix b/pkgs/applications/gis/qgis/unwrapped-ltr.nix
index a53ad337d542..ecce1cfdccea 100644
--- a/pkgs/applications/gis/qgis/unwrapped-ltr.nix
+++ b/pkgs/applications/gis/qgis/unwrapped-ltr.nix
@@ -73,14 +73,14 @@ let
     six
   ];
 in mkDerivation rec {
-  version = "3.22.16";
+  version = "3.28.5";
   pname = "qgis-ltr-unwrapped";
 
   src = fetchFromGitHub {
     owner = "qgis";
     repo = "QGIS";
     rev = "final-${lib.replaceStrings [ "." ] [ "_" ] version}";
-    hash = "sha256-6UpWVEyh94Oo6eI/dEmDuJHRwpPtkEsksjE90iAUgo8=";
+    hash = "sha256-3fQB0oCIZSVEVMZzmeyvw8/Ew+JjzAFnTIsnsklAayI=";
   };
 
   passthru = {