diff --git a/Cargo.lock b/Cargo.lock
index 5b8bf49..c1be5d2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -292,9 +292,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.22.0"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1962a33ed2a201c637fc14a4e0fd4e06e6edfdeee6a5fede0dab55507ad74cf7"
+checksum = "831e8e819a138c36e212f3af3fd9eeffed6bf1510a805af35b0edee5ffa59433"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -310,9 +310,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.22.0"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab7164b2202753bd33afc7f90a10355a719aa973d1f94502c50d06f3488bc420"
+checksum = "1e8730e591b14492a8945cdff32f089250b05f5accecf74aeddf9e8272ce1fa8"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -320,9 +320,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.22.0"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6424906ca49013c0829c5c1ed405e20e2da2dc78b82d198564880a704e6a7b7"
+checksum = "5e97e919d2df92eb88ca80a037969f44e5e70356559654962cbb3316d00300c6"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -330,9 +330,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.22.0"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82b2f19e153122d64afd8ce7aaa72f06a00f52e34e1d1e74b6d71baea396460a"
+checksum = "eb57983022ad41f9e683a599f2fd13c3664d7063a3ac5714cae4b7bee7d3f206"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -342,9 +342,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.22.0"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd698c04cac17cf0fe63d47790ab311b8b25542f5cb976b65c374035c50f1eef"
+checksum = "ec480c0c51ddec81019531705acac51bcdbeae563557c982aa8263bb96880372"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 4a36795..ebb52bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 lazy_static = "1.5.0"
-pyo3 = {version = "0.22.0", features = ["extension-module"]}
+pyo3 = {version = "0.22.2", features = ["extension-module"]}
 
 # tzf-rs = { git =  "https://github.com/ringsaturn/tzf-rs", rev = "31b1730", default-features = false}
 tzf-rs = { version = "0.4.8", default-features = false }