diff --git a/python/Cargo.lock b/python/Cargo.lock
index 18b47ad..2f467f8 100644
--- a/python/Cargo.lock
+++ b/python/Cargo.lock
@@ -981,9 +981,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.26.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ba0117f4212101ee6544044dae45abe1083d30ce7b29c4b5cbdfa2354e07383"
+checksum = "37a6df7eab65fc7bee654a421404947e10a0f7085b6951bf2ea395f4659fb0cf"
 dependencies = [
  "chrono",
  "indexmap",
@@ -1000,9 +1000,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-async-runtimes"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6ee6d4cb3e8d5b925f5cdb38da183e0ff18122eb2048d4041c9e7034d026e23"
+checksum = "57ddb5b570751e93cc6777e81fee8087e59cd53b5043292f2a6d59d5bd80fdfd"
 dependencies = [
  "futures",
  "once_cell",
@@ -1013,18 +1013,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.26.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc6ddaf24947d12a9aa31ac65431fb1b851b8f4365426e182901eabfb87df5f"
+checksum = "f77d387774f6f6eec64a004eac0ed525aab7fa1966d94b42f743797b3e395afb"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-bytes"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f01f356a8686c821ce6ec5ac74a442ffbda3ce1fb26a113d4120fd78faf9f726"
+checksum = "37248130b5b50c06a3bd2ed0a4e763aff9bf3104991c656bc27c303df0889460"
 dependencies = [
  "bytes",
  "pyo3",
@@ -1032,9 +1032,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.26.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "025474d3928738efb38ac36d4744a74a400c901c7596199e20e45d98eb194105"
+checksum = "2dd13844a4242793e02df3e2ec093f540d948299a6a77ea9ce7afd8623f542be"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -1042,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.26.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e64eb489f22fe1c95911b77c44cc41e7c19f3082fc81cce90f657cdc42ffded"
+checksum = "eaf8f9f1108270b90d3676b8679586385430e5c0bb78bb5f043f95499c821a71"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -1054,9 +1054,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.26.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "100246c0ecf400b475341b8455a9213344569af29a3c841d29270e53102e0fcf"
+checksum = "70a3b2274450ba5288bc9b8c1b69ff569d1d61189d4bff38f8d22e03d17f932b"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -1067,9 +1067,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-object_store"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cda46869b9ce0e94ca68a8c2f48fdc940a543ed5e2d9272c3e7cc4bcc579fd6"
+checksum = "5ef5552f108a4d65b78c924b27513471a9ba425341ada4be5ea0ca53806ae316"
 dependencies = [
  "async-trait",
  "bytes",
diff --git a/python/Cargo.toml b/python/Cargo.toml
index d5f2fd3..c8948d9 100644
--- a/python/Cargo.toml
+++ b/python/Cargo.toml
@@ -25,10 +25,10 @@ async-tiff = { path = "../" }
 bytes = "1.10.1"
 futures = "0.3.31"
 object_store = "0.12"
-pyo3 = { version = "0.26.0", features = ["macros"] }
-pyo3-async-runtimes = "0.26"
-pyo3-bytes = "0.4"
-pyo3-object_store = "0.6.0"
+pyo3 = { version = "0.27.0", features = ["macros"] }
+pyo3-async-runtimes = "0.27"
+pyo3-bytes = "0.5"
+pyo3-object_store = "0.7.0"
 rayon = "1.11.0"
 tokio-rayon = "2.1.0"
 thiserror = "1"
diff --git a/python/src/decoder.rs b/python/src/decoder.rs
index 0712e8e..2810e64 100644
--- a/python/src/decoder.rs
+++ b/python/src/decoder.rs
@@ -60,14 +60,16 @@ impl PyDecoder {
     }
 }
 
-impl<'py> FromPyObject<'py> for PyDecoder {
-    fn extract_bound(ob: &Bound<'py, PyAny>) -> PyResult<Self> {
-        if !ob.hasattr(intern!(ob.py(), "__call__"))? {
+impl<'py> FromPyObject<'_, 'py> for PyDecoder {
+    type Error = PyErr;
+
+    fn extract(obj: Borrowed<'_, 'py, PyAny>) -> Result<Self, Self::Error> {
+        if !obj.hasattr(intern!(obj.py(), "__call__"))? {
             return Err(PyTypeError::new_err(
                 "Expected callable object for custom decoder.",
             ));
         }
-        Ok(Self(ob.clone().unbind()))
+        Ok(Self(obj.as_unbound().clone_ref(obj.py())))
     }
 }
 
diff --git a/python/src/enums.rs b/python/src/enums.rs
index 14656bd..e3a6de7 100644
--- a/python/src/enums.rs
+++ b/python/src/enums.rs
@@ -21,9 +21,11 @@ impl From<PyCompressionMethod> for CompressionMethod {
     }
 }
 
-impl<'py> FromPyObject<'py> for PyCompressionMethod {
-    fn extract_bound(ob: &Bound<'py, PyAny>) -> PyResult<Self> {
-        Ok(Self(CompressionMethod::from_u16_exhaustive(ob.extract()?)))
+impl<'py> FromPyObject<'_, 'py> for PyCompressionMethod {
+    type Error = PyErr;
+
+    fn extract(obj: Borrowed<'_, 'py, PyAny>) -> Result<Self, Self::Error> {
+        Ok(Self(CompressionMethod::from_u16_exhaustive(obj.extract()?)))
     }
 }
 
diff --git a/python/src/reader.rs b/python/src/reader.rs
index da61124..86c5095 100644
--- a/python/src/reader.rs
+++ b/python/src/reader.rs
@@ -95,13 +95,15 @@ impl ObspecBackend {
     }
 }
 
-impl<'py> FromPyObject<'py> for ObspecBackend {
-    fn extract_bound(ob: &Bound<'py, PyAny>) -> PyResult<Self> {
-        let py = ob.py();
-        if ob.hasattr(intern!(py, "get_range_async"))?
-            && ob.hasattr(intern!(py, "get_ranges_async"))?
+impl<'py> FromPyObject<'_, 'py> for ObspecBackend {
+    type Error = PyErr;
+
+    fn extract(obj: Borrowed<'_, 'py, PyAny>) -> Result<Self, Self::Error> {
+        let py = obj.py();
+        if obj.hasattr(intern!(py, "get_range_async"))?
+            && obj.hasattr(intern!(py, "get_ranges_async"))?
         {
-            Ok(Self(ob.clone().unbind()))
+            Ok(Self(obj.as_unbound().clone_ref(py)))
         } else {
             Err(PyTypeError::new_err("Expected obspec-compatible class with `get_range_async` and `get_ranges_async` method."))
         }