diff --git a/Cargo.lock b/Cargo.lock
index 067a90d..9352c43 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -52,9 +52,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.28.3"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91fd8e38a3b50ed1167fb981cd6fd60147e091784c427b8f7183a7ee32c31c12"
+checksum = "4688ddedf473e32662b9b067670129a8afb8c18e351482c70d62ba4a88171e8b"
 dependencies = [
  "libc",
  "once_cell",
@@ -66,18 +66,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.28.3"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e368e7ddfdeb98c9bca7f8383be1648fd84ab466bf2bc015e94008db6d35611e"
+checksum = "f41027e41b4bd03f6e60f9f417fe24a6341a6bb744edd62b6f709f2a52ea30e9"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.28.3"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f29e10af80b1f7ccaf7f69eace800a03ecd13e883acfacc1e5d0988605f651e"
+checksum = "e591a95526fead067432c3b3a33fc74770b87b1e04e73671090d9c2055a2b327"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -85,9 +85,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.28.3"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df6e520eff47c45997d2fc7dd8214b25dd1310918bbb2642156ef66a67f29813"
+checksum = "73225868fc1cd84eef2c3c230ddb91273bf1de46aeb8a4248da76d32a0924a1c"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -97,13 +97,12 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.28.3"
+version = "0.29.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4cdc218d835738f81c2338f822078af45b4afdf8b2e33cbb5916f108b813acb"
+checksum = "571575aa3749fa6216757dd47d2a3e7ef360f329a40f0666a9fbd14889024952"
 dependencies = [
  "heck",
  "proc-macro2",
- "pyo3-build-config",
  "quote",
  "syn",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 300e75e..2ea6ab1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,5 +17,5 @@ crate-type = ["cdylib"]
 parsepatch = "0.3"
 
 [dependencies.pyo3]
-version = "0.28"
+version = "0.29"
 features = ["extension-module"]