diff --git a/Cargo.lock b/Cargo.lock
index b06a83c1..c03238ec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -168,9 +168,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.22.1"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e99090d12f6182924499253aaa1e73bf15c69cea8d2774c3c781e35badc3548"
+checksum = "831e8e819a138c36e212f3af3fd9eeffed6bf1510a805af35b0edee5ffa59433"
 dependencies = [
  "cfg-if",
  "libc",
@@ -183,9 +183,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.22.1"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7879eb018ac754bba32cb0eec7526391c02c14a093121857ed09fbf1d1057d41"
+checksum = "1e8730e591b14492a8945cdff32f089250b05f5accecf74aeddf9e8272ce1fa8"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -193,9 +193,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.22.1"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce2baa5559a411fc1cf519295f24c34b53d5d725818bc96b5abf94762da09041"
+checksum = "5e97e919d2df92eb88ca80a037969f44e5e70356559654962cbb3316d00300c6"
 dependencies = [
  "libc",
  "pyo3-build-config",
diff --git a/Cargo.toml b/Cargo.toml
index bbfd927e..d601153b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,7 +45,7 @@ encoding_rs = { version = "0.8", default-features = false }
 half = { version = "2.4.1", default-features = false }
 itoa = { version = "1", default-features = false }
 once_cell = { version = "1", default-features = false, features = ["race"] }
-pyo3 = { version = "^0.22.1", default-features = false, features = ["extension-module"] }
+pyo3 = { version = "^0.22.2", default-features = false, features = ["extension-module"] }
 rmp = { version = "^0.8.14", default-features = false, features = ["std"] }
 rmp-serde = { version = "1", default-features = false }
 serde = { version = "1", default-features = false }