diff --git a/sdk/Cargo.lock b/sdk/Cargo.lock
index 61dc886..fcc0a5a 100644
--- a/sdk/Cargo.lock
+++ b/sdk/Cargo.lock
@@ -916,9 +916,9 @@ checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 
 [[package]]
 name = "heck"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "hermit-abi"
@@ -1191,12 +1191,6 @@ dependencies = [
  "serde_core",
 ]
 
-[[package]]
-name = "indoc"
-version = "2.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e186cfbae8084e513daff4240b4797e342f988cecda4fb6c939150f96315fd8"
-
 [[package]]
 name = "ipnet"
 version = "2.9.0"
@@ -1637,6 +1631,12 @@ version = "0.3.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19f132c84eca552bf34cab8ec81f1c1dcc229b811638f9d283dceabe58c5569e"
 
+[[package]]
+name = "portable-atomic"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c33a9471896f1c69cecef8d20cbe2f7accd12527ce60845ff44c153bb2a21b49"
+
 [[package]]
 name = "potential_utf"
 version = "0.1.5"
@@ -1694,37 +1694,33 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.20.0"
+version = "0.28.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04e8453b658fe480c3e70c8ed4e3d3ec33eb74988bd186561b0cc66b85c3bc4b"
+checksum = "91fd8e38a3b50ed1167fb981cd6fd60147e091784c427b8f7183a7ee32c31c12"
 dependencies = [
  "anyhow",
- "cfg-if",
- "indoc",
  "libc",
- "memoffset",
- "parking_lot",
+ "once_cell",
+ "portable-atomic",
  "pyo3-build-config",
  "pyo3-ffi",
  "pyo3-macros",
- "unindent",
 ]
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.20.0"
+version = "0.28.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a96fe70b176a89cff78f2fa7b3c930081e163d5379b4dcdf993e3ae29ca662e5"
+checksum = "e368e7ddfdeb98c9bca7f8383be1648fd84ab466bf2bc015e94008db6d35611e"
 dependencies = [
- "once_cell",
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.20.0"
+version = "0.28.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "214929900fd25e6604661ed9cf349727c8920d47deff196c4e28165a6ef2a96b"
+checksum = "7f29e10af80b1f7ccaf7f69eace800a03ecd13e883acfacc1e5d0988605f651e"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -1732,9 +1728,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.20.0"
+version = "0.28.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dac53072f717aa1bfa4db832b39de8c875b7c7af4f4a6fe93cdbf9264cf8383b"
+checksum = "df6e520eff47c45997d2fc7dd8214b25dd1310918bbb2642156ef66a67f29813"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -1744,12 +1740,13 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.20.0"
+version = "0.28.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7774b5a8282bd4f25f803b1f0d945120be959a36c72e08e7cd031c792fdfd424"
+checksum = "c4cdc218d835738f81c2338f822078af45b4afdf8b2e33cbb5916f108b813acb"
 dependencies = [
  "heck",
  "proc-macro2",
+ "pyo3-build-config",
  "quote 1.0.46",
  "syn 2.0.118",
 ]
@@ -3282,9 +3279,9 @@ dependencies = [
 
 [[package]]
 name = "target-lexicon"
-version = "0.12.12"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c39fd04924ca3a864207c66fc2cd7d22d7c016007f9ce846cbb9326331930a"
+checksum = "adb6935a6f5c20170eeceb1a3835a49e12e19d792f6dd344ccc76a985ca5a6ca"
 
 [[package]]
 name = "tempfile"
@@ -3588,12 +3585,6 @@ 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 = "untrusted"
 version = "0.9.0"
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index c94107f..03adb8a 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -23,7 +23,7 @@ anyhow = "1"
 hex = "0.4"
 indexmap = "2.1.0"
 once_cell = "1.18.0"
-pyo3 = { version = "0.20.0", features = ["extension-module", "abi3-py37", "anyhow"] }
+pyo3 = { version = "0.28.3", features = ["extension-module", "abi3-py37", "anyhow"] }
 rand = { version = "0.10" }
 serde = "1"
 serde_json = "1"