diff --git a/pkgs/by-name/gd/gdal/package.nix b/pkgs/by-name/gd/gdal/package.nix
index 97c48a74913c..8769439981f1 100644
--- a/pkgs/by-name/gd/gdal/package.nix
+++ b/pkgs/by-name/gd/gdal/package.nix
@@ -3,7 +3,6 @@
   stdenv,
   callPackage,
   fetchFromGitHub,
-  fetchpatch,
 
   useMinimalFeatures ? false,
   useArmadillo ? (!useMinimalFeatures),
@@ -84,23 +83,15 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gdal" + lib.optionalString useMinimalFeatures "-minimal";
-  version = "3.11.4";
+  version = "3.12.0";
 
   src = fetchFromGitHub {
     owner = "OSGeo";
     repo = "gdal";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-CFQF3vDhhXsAnIfUcn6oTQ4Xm+GH/36dqSGc0HvyEJ0=";
+    hash = "sha256-al7nDmUbKNP4kBMVBLWUUxn0QSAbYAJ1XhZWAVFk+sA=";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "fix-build-poppler-25.10.0.patch";
-      url = "https://github.com/OSGeo/gdal/commit/a716a6cd5ffd779b30950f046fce91878fc97b9d.patch";
-      hash = "sha256-dSotpnTiMjt3Bz63hpNjF5juZ3JsjIpD59/67cR9rNU=";
-    })
-  ];
-
   nativeBuildInputs = [
     bison
     cmake
@@ -273,6 +264,8 @@ stdenv.mkDerivation (finalAttrs: {
   disabledTests = [
     # tests that attempt to make network requests
     "test_jp2openjpeg_45"
+    "test_ogr_gmlas_datetime"
+    "test_vrtrawlink_GDAL_VRT_RAWRASTERBAND_ALLOWED_SOURCE_ONLY_REMOTE_accepted"
     # tests that require the full proj dataset which we don't package yet
     # https://github.com/OSGeo/gdal/issues/5523
     "test_transformer_dem_overrride_srs"
diff --git a/pkgs/by-name/me/merkaartor/package.nix b/pkgs/by-name/me/merkaartor/package.nix
index f34100339455..f20f0d193a4d 100644
--- a/pkgs/by-name/me/merkaartor/package.nix
+++ b/pkgs/by-name/me/merkaartor/package.nix
@@ -2,6 +2,8 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
+
   cmake,
   pkg-config,
   gdal,
@@ -29,6 +31,15 @@ stdenv.mkDerivation rec {
     hash = "sha256-oxLGhIE1qJ9+GOztD1HvrLGRGVO3gyy7Rc6CyzKTFec=";
   };
 
+  patches = [
+    # Fix for GDAL 3.12
+    # https://github.com/openstreetmap/merkaartor/pull/316
+    (fetchpatch {
+      url = "https://github.com/openstreetmap/merkaartor/commit/28cca84e9f5db0aaba87c2084ed32f9677598823.diff";
+      hash = "sha256-so0La5djYhWF6NqLpShWa3vGl5A2jkS3Xwg5Pe1yse4=";
+    })
+  ];
+
   nativeBuildInputs = [
     cmake
     pkg-config
@@ -71,7 +82,7 @@ stdenv.mkDerivation rec {
     homepage = "https://merkaartor.be/";
     license = lib.licenses.gpl2Plus;
     mainProgram = "merkaartor";
-    maintainers = with lib.maintainers; [ sikmir ];
+    teams = [ lib.teams.geospatial ];
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/by-name/ot/otb/package.nix b/pkgs/by-name/ot/otb/package.nix
index 5febf925ebfc..f1b433ee31b0 100644
--- a/pkgs/by-name/ot/otb/package.nix
+++ b/pkgs/by-name/ot/otb/package.nix
@@ -216,22 +216,16 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "otb";
-  version = "10.0-unstable-2025-04-03";
+  version = "10.0-unstable-2025-12-11";
 
   src = fetchFromGitHub {
     owner = "orfeotoolbox";
     repo = "otb";
-    rev = "93649b68f54975a1a48a0acd49f2602a55fc8032";
-    hash = "sha256-S6yhV//qlKdWWcT9J1p64WuVS0QNepIYTr/t4JvyEwE=";
+    rev = "2dd72c102a0a95794c0cc3e7da1843bc67537f6e";
+    hash = "sha256-dLphF4h/QkO/lSVEmVUPuRRGDU5SRhNLoxXxHWpINbU=";
   };
 
   patches = [
-    # fixes for gdal 10
-    # https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/-/merge_requests/1056
-    (fetchpatch {
-      url = "https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/-/merge_requests/1056/diffs.patch";
-      hash = "sha256-Zj/wkx0vxn5vqj0hszn7NxoYW1yf63G3HPVKbSdZIOY=";
-    })
     ./1-otb-swig-include-itk.diff
   ];
 
diff --git a/pkgs/by-name/su/sumo/package.nix b/pkgs/by-name/su/sumo/package.nix
index 47fb21c962ea..64540c343c97 100644
--- a/pkgs/by-name/su/sumo/package.nix
+++ b/pkgs/by-name/su/sumo/package.nix
@@ -32,13 +32,13 @@
 
 stdenv.mkDerivation rec {
   pname = "sumo";
-  version = "1.24.0";
+  version = "1.25.0";
 
   src = fetchFromGitHub {
-    owner = "eclipse";
+    owner = "eclipse-sumo";
     repo = "sumo";
     tag = "v${lib.replaceStrings [ "." ] [ "_" ] version}";
-    hash = "sha256-xf7/hUJpl+XmXx5MmFzYu2geFNe7JVaxDrraoqLrSuk=";
+    hash = "sha256-rUa5DpoBfnviSEmzPEiVnZU0KGavAIOFoysQ74uTll0=";
     fetchSubmodules = true;
   };
 
@@ -93,5 +93,6 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/eclipse/sumo";
     license = lib.licenses.epl20;
     maintainers = [ ];
+    teams = [ lib.teams.geospatial ];
   };
 }
diff --git a/pkgs/development/python-modules/rasterio/default.nix b/pkgs/development/python-modules/rasterio/default.nix
index 53c1513e2c9d..dd0af137a3df 100644
--- a/pkgs/development/python-modules/rasterio/default.nix
+++ b/pkgs/development/python-modules/rasterio/default.nix
@@ -6,10 +6,12 @@
 
   # build-system
   cython,
-  gdal,
   numpy,
   setuptools,
 
+  # non-Python dependencies
+  gdal-cpp,
+
   # dependencies
   affine,
   attrs,
@@ -36,28 +38,39 @@
 
 buildPythonPackage rec {
   pname = "rasterio";
-  version = "1.4.3";
+  version = "1.4.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "rasterio";
     repo = "rasterio";
     tag = version;
-    hash = "sha256-InejYBRa4i0E2GxEWbtBpaErtcoYrhtypAlRtMlUoDk=";
+    hash = "sha256-6y55JJ3R/JEEneM10UPHIDpSopaybY5XHJPiU+77ke4=";
   };
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace-fail "cython~=3.0.2" cython
+      --replace-fail "cython~=3.1.0" cython
   '';
 
   build-system = [
     cython
-    gdal
     numpy
     setuptools
   ];
 
+  nativeBuildInputs = [
+    gdal-cpp # for gdal-config
+  ];
+
+  buildInputs = [
+    gdal-cpp
+  ];
+
+  pythonRelaxDeps = [
+    "click"
+  ];
+
   dependencies = [
     affine
     attrs
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8efb07d09bf4..ac8cf73dc00c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16077,7 +16077,9 @@ self: super: with self; {
 
   raspyrfm-client = callPackage ../development/python-modules/raspyrfm-client { };
 
-  rasterio = callPackage ../development/python-modules/rasterio { };
+  rasterio = callPackage ../development/python-modules/rasterio {
+    gdal-cpp = pkgs.gdal;
+  };
 
   ratarmount = callPackage ../development/python-modules/ratarmount { };