diff --git a/Cargo.lock b/Cargo.lock
index 06fd578..672aeff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -87,9 +87,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.29.3"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "700d18fa267b73b9b521fd7e13580e2f446916f176cacee1ab63fcc8191f1655"
+checksum = "229ca13b8a15bb0d1487b81ab975bfcd97513416499a8312011b6036e42e0de4"
 dependencies = [
  "libc",
  "once_cell",
@@ -101,18 +101,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.29.3"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b3fc0c4d08f6bb10e71fe39dfb9e2f59c6eb6854e22ec8092f50c69a4499adb"
+checksum = "70130e2b6dd1ee589a8788026a429561ca5c40fa7a2fa7914c2282eddae24700"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.29.3"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfc0b8e19df29aad7086cf977bb0c2a2f143e30567eb113e9cf72b62ca698330"
+checksum = "5e7ff73c555c286d212d4ce7e5fbda845a973c4f61bd5f160f5f2c3c2a04d1c4"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -120,26 +120,26 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.29.3"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6100e8a4b5eba53afaa5ed078364851a0b2499c553a44c31026b929049b49dc6"
+checksum = "c46d2e5862c7bb8207e3b639f713dda3c499933444784154c11d013c5a691b60"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 2.0.106",
+ "syn 3.0.2",
 ]
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.29.3"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6143877a16e82b5a727b7127ff4cd86858a24a28d745d72f43e6f227c7b1bdb3"
+checksum = "38b89f066f2ae72a2aef52d1537ca2fcd104440ebfadee06e97aa90738a25b9b"
 dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.106",
+ "syn 3.0.2",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 763bfc0..0f33f25 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,5 +17,5 @@ serde_json = "1.0"
 canonical_json = "0.7.0"
 
 [dependencies.pyo3]
-version = "0.29.0"
+version = "0.30.1"
 features = ["extension-module"]