diff --git a/Cargo.lock b/Cargo.lock
index 98f64616..8541283b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -890,12 +890,6 @@ dependencies = [
  "regex",
 ]
 
-[[package]]
-name = "indoc"
-version = "2.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
-
 [[package]]
 name = "instant"
 version = "0.1.13"
@@ -1137,15 +1131,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "memoffset"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "microvmi"
 version = "0.4.0"
@@ -1250,7 +1235,7 @@ dependencies = [
  "cc",
  "cfg-if",
  "libc",
- "memoffset 0.6.5",
+ "memoffset",
 ]
 
 [[package]]
@@ -1501,35 +1486,32 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.27.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab53c047fcd1a1d2a8820fe84f05d6be69e9526be40cb03b73f86b6b03e6d87d"
+checksum = "cd274650b21d4bfc26a0a47587962c1edb425f69287324355cd040c3ea66071c"
 dependencies = [
- "indoc",
  "libc",
- "memoffset 0.9.1",
  "once_cell",
  "portable-atomic",
  "pyo3-build-config",
  "pyo3-ffi",
  "pyo3-macros",
- "unindent",
 ]
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.27.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b455933107de8642b4487ed26d912c2d899dec6114884214a0b3bb3be9261ea6"
+checksum = "c5e2a7d2f0d013342f295c048ad19237add5154a55b1c5a254c0ec93d4109078"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.27.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c85c9cbfaddf651b1221594209aed57e9e5cff63c4d11d1feead529b872a089"
+checksum = "ca85c467da1bbc8d866eea5deff9cf29ea5f7785054a17da36e65bda9c05845b"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -1537,9 +1519,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.27.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a5b10c9bf9888125d917fb4d2ca2d25c8df94c7ab5a52e13313a07e050a3b02"
+checksum = "9ac53762fd065daa3194dd09337a38bd793a188100fd1a9304c4ab312d901771"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -1549,13 +1531,12 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.27.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b51720d314836e53327f5871d4c0cfb4fb37cc2c4a11cc71907a86342c40f9"
+checksum = "4ca3a1557399783172dc5bf39cfca835157732532cba56b71d2292161e53b362"
 dependencies = [
  "heck 0.5.0",
  "proc-macro2",
- "pyo3-build-config",
  "quote 1.0.38",
  "syn 2.0.98",
 ]
@@ -1861,9 +1842,9 @@ checksum = "88da97cd34718f47df2adae0c2310ee305e061c794b9c07fd33d8387f4ee2e1c"
 
 [[package]]
 name = "target-lexicon"
-version = "0.13.2"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e502f78cdbb8ba4718f566c418c52bc729126ffd16baee5baa718cf25dd5a69a"
+checksum = "adb6935a6f5c20170eeceb1a3835a49e12e19d792f6dd344ccc76a985ca5a6ca"
 
 [[package]]
 name = "tempfile"
@@ -2044,12 +2025,6 @@ version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 
-[[package]]
-name = "unindent"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7de7d73e1754487cb58364ee906a499937a0dfabd86bcb980fa99ec8c8fa2ce"
-
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
diff --git a/python/Cargo.toml b/python/Cargo.toml
index ac19e2a7..9fbc44ba 100644
--- a/python/Cargo.toml
+++ b/python/Cargo.toml
@@ -33,7 +33,7 @@ thiserror = "2.0.11"
 microvmi = { path = "../" }
 
 [dependencies.pyo3]
-version = "0.27.2"
+version = "0.29.0"
 features = ["extension-module", "abi3-py39"]
 
 [package.metadata.release]
diff --git a/python/build-wheels.sh b/python/build-wheels.sh
index 4001e857..fb4e3876 100755
--- a/python/build-wheels.sh
+++ b/python/build-wheels.sh
@@ -17,6 +17,8 @@ export BINDGEN_EXTRA_CLANG_ARGS="-I/opt/rh/devtoolset-10/root/usr/lib/gcc/x86_64
 cd /io/python
 
 for PYBIN in /opt/python/cp{310,311,312,313,314}*/bin; do
+    # pyo3 0.29 dropped free-threaded 3.13
+    [[ "$PYBIN" == */cp313-cp313t/* ]] && continue
     "${PYBIN}/pip" install -r requirements.txt
     "${PYBIN}/python" setup.py bdist_wheel $@
 done
diff --git a/python/src/params.rs b/python/src/params.rs
index 5c9bae40..fdffb8b8 100644
--- a/python/src/params.rs
+++ b/python/src/params.rs
@@ -2,7 +2,7 @@
 use pyo3::prelude::*;
 
 /// equivalent of `CommonInitParams` for Python
-#[pyclass]
+#[pyclass(from_py_object)]
 #[derive(Default, Debug, Clone)]
 pub struct CommonInitParamsPy {
     #[pyo3(get, set)]
@@ -18,7 +18,7 @@ impl CommonInitParamsPy {
 }
 
 /// equivalent of `KVMInitParams` for Python
-#[pyclass]
+#[pyclass(from_py_object)]
 #[derive(Default, Debug, Clone)]
 pub struct KVMInitParamsPy {
     #[pyo3(get, set)]
@@ -34,7 +34,7 @@ impl KVMInitParamsPy {
 }
 
 /// equivalent of `MemflowInitParams` for Python
-#[pyclass]
+#[pyclass(from_py_object)]
 #[derive(Default, Debug, Clone)]
 pub struct MemflowInitParamsPy {
     #[pyo3(get, set)]
@@ -72,7 +72,7 @@ impl MemflowInitParamsPy {
 /// init_params.common = common
 /// init_params.kvm = kvm
 /// ```
-#[pyclass]
+#[pyclass(from_py_object)]
 #[derive(Default, Debug, Clone)]
 pub struct DriverInitParamsPy {
     #[pyo3(get, set)]