diff --git a/Cargo.lock b/Cargo.lock
index 2d44cbdb..4ff10f54 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1133,9 +1133,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.22.2"
+version = "0.22.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "831e8e819a138c36e212f3af3fd9eeffed6bf1510a805af35b0edee5ffa59433"
+checksum = "3d922163ba1f79c04bc49073ba7b32fd5a8d3b76a87c955921234b8e77333c51"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -1151,9 +1151,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.22.2"
+version = "0.22.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e8730e591b14492a8945cdff32f089250b05f5accecf74aeddf9e8272ce1fa8"
+checksum = "bc38c5feeb496c8321091edf3d63e9a6829eab4b863b4a6a65f26f3e9cc6b179"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -1161,9 +1161,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.22.2"
+version = "0.22.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e97e919d2df92eb88ca80a037969f44e5e70356559654962cbb3316d00300c6"
+checksum = "94845622d88ae274d2729fcefc850e63d7a3ddff5e3ce11bd88486db9f1d357d"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -1171,9 +1171,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.22.2"
+version = "0.22.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb57983022ad41f9e683a599f2fd13c3664d7063a3ac5714cae4b7bee7d3f206"
+checksum = "e655aad15e09b94ffdb3ce3d217acf652e26bbc37697ef012f5e5e348c716e5e"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -1183,9 +1183,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.22.2"
+version = "0.22.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec480c0c51ddec81019531705acac51bcdbeae563557c982aa8263bb96880372"
+checksum = "ae1e3f09eecd94618f60a455a23def79f79eba4dc561a97324bf9ac8c6df30ce"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 4e3537a1..b08c3b8b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -49,7 +49,7 @@ p256 = "0.13.2"
 rstest = "0.21.0"
 criterion = "0.5.1"
 hex = "0.4.3"
-pyo3 = "0.22.2"
+pyo3 = "0.22.5"
 wasm-bindgen = "0.2.92"
 wasm-bindgen-test = "0.3.42"
 js-sys = "0.3.69"