diff --git a/pkgs/development/python-modules/async-geotiff/default.nix b/pkgs/development/python-modules/async-geotiff/default.nix
index eb9bd93ef26c..131415e9b170 100644
--- a/pkgs/development/python-modules/async-geotiff/default.nix
+++ b/pkgs/development/python-modules/async-geotiff/default.nix
@@ -2,7 +2,6 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  fetchpatch2,
   pytestCheckHook,
   uv-build,
 
@@ -21,32 +20,19 @@
 }:
 buildPythonPackage (finalAttrs: {
   pname = "async-geotiff";
-  version = "0.4.0";
+  version = "0.5.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "developmentseed";
     repo = "async-geotiff";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-J72/VRDAgqGOm7rYmlkURKgWSIa11L260LX447MQWbc=";
+    hash = "sha256-VC4I1ZDKC2Joh2lxscZ1UWp5p5wOEPKjTq+Ty2Z0PJc=";
     fetchSubmodules = true;
   };
 
-  patches = [
-    # see https://github.com/developmentseed/async-geotiff/pull/136
-    ./uv-build-relax-deps.patch
-    # see https://github.com/developmentseed/async-tiff/pull/292
-    (fetchpatch2 {
-      url = "https://github.com/developmentseed/async-geotiff/commit/f8325c0decb2a7e61faf3db5e51ec5a104d3cbdb.patch?full_index=1";
-      hash = "sha256-RLqMWKtjDSmxQkUXz9dXKIIqRXM7BWkuJIbbeHxCPyQ=";
-    })
-  ];
-
   build-system = [ uv-build ];
 
-  # see https://github.com/developmentseed/async-geotiff/pull/133
-  pythonRemoveDeps = [ "types-defusedxml" ];
-
   dependencies = [
     affine
     async-tiff
diff --git a/pkgs/development/python-modules/async-geotiff/uv-build-relax-deps.patch b/pkgs/development/python-modules/async-geotiff/uv-build-relax-deps.patch
deleted file mode 100644
index 68597869ca15..000000000000
--- a/pkgs/development/python-modules/async-geotiff/uv-build-relax-deps.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-diff --git i/pyproject.toml w/pyproject.toml
-index 601e2e5..cd26339 100644
---- i/pyproject.toml
-+++ w/pyproject.toml
-@@ -69,7 +69,7 @@ docs = [
- 
- 
- [build-system]
--requires = ["uv_build>=0.8.8,<0.9.0"]
-+requires = ["uv_build>=0.8.8,<0.12.0"]
- build-backend = "uv_build"
- 
- [tool.ruff]
-diff --git i/uv.lock w/uv.lock
-index e7cd10f..2a74412 100644
---- i/uv.lock
-+++ w/uv.lock
-@@ -55,7 +55,6 @@ dependencies = [
-     { name = "defusedxml" },
-     { name = "numpy" },
-     { name = "pyproj" },
--    { name = "types-defusedxml" },
- ]
- 
- [package.optional-dependencies]
-@@ -77,6 +76,7 @@ dev = [
-     { name = "pytest-asyncio" },
-     { name = "rasterio", version = "1.4.4", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.12'" },
-     { name = "rasterio", version = "1.5.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.12'" },
-+    { name = "types-defusedxml" },
-     { name = "types-jsonschema" },
- ]
- docs = [
-@@ -97,7 +97,6 @@ requires-dist = [
-     { name = "morecantile", marker = "extra == 'morecantile'", specifier = ">=7.0,<8.0" },
-     { name = "numpy", specifier = ">=2.0" },
-     { name = "pyproj", specifier = ">=3.3.0" },
--    { name = "types-defusedxml", specifier = ">=0.7.0.20250822" },
- ]
- provides-extras = ["morecantile"]
- 
-@@ -114,6 +113,7 @@ dev = [
-     { name = "pytest", specifier = ">=9.0.2" },
-     { name = "pytest-asyncio", specifier = ">=1.3.0" },
-     { name = "rasterio", specifier = ">=1.4.4" },
-+    { name = "types-defusedxml", specifier = ">=0.7.0.20250822" },
-     { name = "types-jsonschema", specifier = ">=4.26.0.20260109" },
- ]
- docs = [