diff --git a/Cargo.lock b/Cargo.lock
index 417ae11f30d..ff3ce676914 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5790,15 +5790,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "memoffset"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "mimalloc"
 version = "0.1.48"
@@ -6987,30 +6978,28 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.27.2"
+version = "0.28.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab53c047fcd1a1d2a8820fe84f05d6be69e9526be40cb03b73f86b6b03e6d87d"
+checksum = "cf85e27e86080aafd5a22eae58a162e133a589551542b3e5cee4beb27e54f8e1"
 dependencies = [
  "chrono",
  "indexmap",
- "indoc",
  "libc",
- "memoffset",
  "once_cell",
  "portable-atomic",
  "pyo3-build-config",
  "pyo3-ffi",
  "pyo3-macros",
- "unindent",
 ]
 
 [[package]]
 name = "pyo3-async-runtimes"
-version = "0.27.0"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57ddb5b570751e93cc6777e81fee8087e59cd53b5043292f2a6d59d5bd80fdfd"
+checksum = "9e7364a95bf00e8377bbf9b0f09d7ff9715a29d8fcf93b47d1a967363b973178"
 dependencies = [
- "futures",
+ "futures-channel",
+ "futures-util",
  "once_cell",
  "pin-project-lite",
  "pyo3",
@@ -7019,18 +7008,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.27.2"
+version = "0.28.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b455933107de8642b4487ed26d912c2d899dec6114884214a0b3bb3be9261ea6"
+checksum = "8bf94ee265674bf76c09fa430b0e99c26e319c945d96ca0d5a8215f31bf81cf7"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-bytes"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37248130b5b50c06a3bd2ed0a4e763aff9bf3104991c656bc27c303df0889460"
+checksum = "1d98190ac733bf1c9a3bdbd2856d85abee243f16b7ef1155feefcd613c8704a1"
 dependencies = [
  "bytes",
  "pyo3",
@@ -7038,9 +7027,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.27.2"
+version = "0.28.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c85c9cbfaddf651b1221594209aed57e9e5cff63c4d11d1feead529b872a089"
+checksum = "491aa5fc66d8059dd44a75f4580a2962c1862a1c2945359db36f6c2818b748dc"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -7059,9 +7048,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.27.2"
+version = "0.28.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a5b10c9bf9888125d917fb4d2ca2d25c8df94c7ab5a52e13313a07e050a3b02"
+checksum = "f5d671734e9d7a43449f8480f8b38115df67bef8d21f76837fa75ee7aaa5e52e"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -7071,9 +7060,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.27.2"
+version = "0.28.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b51720d314836e53327f5871d4c0cfb4fb37cc2c4a11cc71907a86342c40f9"
+checksum = "22faaa1ce6c430a1f71658760497291065e6450d7b5dc2bcf254d49f66ee700a"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -7084,9 +7073,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-object_store"
-version = "0.7.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ef5552f108a4d65b78c924b27513471a9ba425341ada4be5ea0ca53806ae316"
+checksum = "6a900d022739373b3ea71fc77bbd237e094b478f71e4b5460c4371c9dedf7457"
 dependencies = [
  "async-trait",
  "bytes",
@@ -9573,12 +9562,6 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
-[[package]]
-name = "unindent"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7264e107f553ccae879d21fbea1d6724ac785e8c3bfc762137959b5802826ef3"
-
 [[package]]
 name = "unit-prefix"
 version = "0.5.2"
diff --git a/Cargo.toml b/Cargo.toml
index d095d8334ca..ab6a72f04b3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -193,9 +193,10 @@ prost = "0.14"
 prost-build = "0.14"
 prost-types = "0.14"
 public-api = "0.51"
-pyo3 = { version = "0.27.0" }
-pyo3-bytes = "0.5"
+pyo3 = { version = "0.28.0" }
+pyo3-bytes = "0.6"
 pyo3-log = "0.13.0"
+pyo3-object_store = "0.10.0"
 quote = "1.0.41"
 rand = "0.9.0"
 rand_distr = "0.5"
diff --git a/vortex-python/Cargo.toml b/vortex-python/Cargo.toml
index 391dc9b4b47..60c1da60b4d 100644
--- a/vortex-python/Cargo.toml
+++ b/vortex-python/Cargo.toml
@@ -47,7 +47,7 @@ parking_lot = { workspace = true }
 pyo3 = { workspace = true, features = ["abi3", "abi3-py311"] }
 pyo3-bytes = { workspace = true }
 pyo3-log = { workspace = true }
-pyo3-object_store = { version = "0.7" }
+pyo3-object_store = { workspace = true }
 tokio = { workspace = true, features = ["fs", "rt-multi-thread"] }
 url = { workspace = true }
 vortex = { workspace = true, features = ["object_store", "tokio"] }
diff --git a/vortex-python/src/dtype/mod.rs b/vortex-python/src/dtype/mod.rs
index fdd0d902e83..1f739e7ab94 100644
--- a/vortex-python/src/dtype/mod.rs
+++ b/vortex-python/src/dtype/mod.rs
@@ -92,7 +92,15 @@ pub(crate) fn init(py: Python, parent: &Bound<PyModule>) -> PyResult<()> {
 }
 
 /// Base class for all Vortex data types.
-#[pyclass(name = "DType", module = "vortex", frozen, eq, hash, subclass)]
+#[pyclass(
+    name = "DType",
+    module = "vortex",
+    frozen,
+    eq,
+    hash,
+    subclass,
+    from_py_object
+)]
 #[derive(Clone, Debug, PartialEq, Eq, Hash)]
 pub struct PyDType(DType);
 
diff --git a/vortex-python/src/dtype/ptype.rs b/vortex-python/src/dtype/ptype.rs
index b331b316844..880181c166e 100644
--- a/vortex-python/src/dtype/ptype.rs
+++ b/vortex-python/src/dtype/ptype.rs
@@ -8,7 +8,15 @@ use pyo3::prelude::*;
 use vortex::dtype::PType;
 
 /// Enum for primitive types.
-#[pyclass(name = "PType", module = "vortex", frozen, eq, eq_int, str)]
+#[pyclass(
+    name = "PType",
+    module = "vortex",
+    frozen,
+    eq,
+    eq_int,
+    str,
+    from_py_object
+)]
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub(crate) enum PyPType {
     /// An 8-bit unsigned integer
diff --git a/vortex-python/src/expr/mod.rs b/vortex-python/src/expr/mod.rs
index dfd306c6820..2daaefe4f4d 100644
--- a/vortex-python/src/expr/mod.rs
+++ b/vortex-python/src/expr/mod.rs
@@ -45,7 +45,7 @@ pub(crate) fn init(py: Python, parent: &Bound<PyModule>) -> PyResult<()> {
 /// .. seealso::
 ///    :func:`.column`
 ///
-#[pyclass(name = "Expr", module = "vortex", frozen)]
+#[pyclass(name = "Expr", module = "vortex", frozen, from_py_object)]
 #[derive(Clone)]
 pub struct PyExpr {
     inner: Expression,
diff --git a/vortex-python/src/scalar/mod.rs b/vortex-python/src/scalar/mod.rs
index 9a9fc245fc2..7500ae0f592 100644
--- a/vortex-python/src/scalar/mod.rs
+++ b/vortex-python/src/scalar/mod.rs
@@ -63,7 +63,15 @@ pub(crate) fn init(py: Python, parent: &Bound<PyModule>) -> PyResult<()> {
 }
 
 /// Base class for Vortex scalar types.
-#[pyclass(name = "Scalar", module = "vortex", subclass, frozen, eq, hash)]
+#[pyclass(
+    name = "Scalar",
+    module = "vortex",
+    subclass,
+    frozen,
+    eq,
+    hash,
+    from_py_object
+)]
 #[derive(Clone, PartialEq, Eq, Hash)]
 pub struct PyScalar(Scalar);