diff --git a/Cargo.lock b/Cargo.lock
index b109c46..61bdb68 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -535,9 +535,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.28.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf85e27e86080aafd5a22eae58a162e133a589551542b3e5cee4beb27e54f8e1"
+checksum = "cd274650b21d4bfc26a0a47587962c1edb425f69287324355cd040c3ea66071c"
 dependencies = [
  "libc",
  "once_cell",
@@ -549,18 +549,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.28.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8bf94ee265674bf76c09fa430b0e99c26e319c945d96ca0d5a8215f31bf81cf7"
+checksum = "c5e2a7d2f0d013342f295c048ad19237add5154a55b1c5a254c0ec93d4109078"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.28.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "491aa5fc66d8059dd44a75f4580a2962c1862a1c2945359db36f6c2818b748dc"
+checksum = "ca85c467da1bbc8d866eea5deff9cf29ea5f7785054a17da36e65bda9c05845b"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -568,9 +568,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.28.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5d671734e9d7a43449f8480f8b38115df67bef8d21f76837fa75ee7aaa5e52e"
+checksum = "9ac53762fd065daa3194dd09337a38bd793a188100fd1a9304c4ab312d901771"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -580,13 +580,12 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.28.2"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22faaa1ce6c430a1f71658760497291065e6450d7b5dc2bcf254d49f66ee700a"
+checksum = "4ca3a1557399783172dc5bf39cfca835157732532cba56b71d2292161e53b362"
 dependencies = [
  "heck",
  "proc-macro2",
- "pyo3-build-config",
  "quote",
  "syn",
 ]
diff --git a/crates/smartkey-py/Cargo.toml b/crates/smartkey-py/Cargo.toml
index 0bd077a..16ebd14 100644
--- a/crates/smartkey-py/Cargo.toml
+++ b/crates/smartkey-py/Cargo.toml
@@ -12,4 +12,4 @@ crate-type = ["cdylib"]
 
 [dependencies]
 smartkey-core = { path = "../smartkey-core" }
-pyo3 = { version = "0.28", features = ["extension-module"] }
+pyo3 = { version = "0.29", features = ["extension-module"] }