diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index 9c3cec71..779a8eae 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -190,9 +190,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcf3ccafdf54c050be48a3a086d372f77ba6615f5057211607cd30e5ac5cec6d"
+checksum = "14c738662e2181be11cb82487628404254902bb3225d8e9e99c31f3ef82a405c"
 dependencies = [
  "libc",
  "once_cell",
@@ -204,18 +204,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "972720a441c91fd9c49f212a1d2d74c6e3803b231ebc8d66c51efbd7ccab11c8"
+checksum = "f9ca0864a7dd3c133a7f3f020cbff2e12e88420da854c35540fd20ce2d60e435"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5994456d9dab8934d600d3867571b6410f24fbd6002570ad56356733eb54859b"
+checksum = "9dfc1956b709823164763a34cc42bbfd26b8730afa77809a3df8b94a3ae3b059"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -223,9 +223,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11ce9cc8d81b3c4969748807604d92b4eef363c5bb82b1a1bdb34ec6f1093a18"
+checksum = "29dc660ad948bae134d579661d08033fbb1918f4529c3bbe3257a68f2009ddf2"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -235,9 +235,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eaf4b60036a154d23282679b658e3cc7d88d3b8c9a40b43824785f232d2e1b98"
+checksum = "e78cd6c6d718acfcedf26c3d21fe0f053624368b0d44298c55d7138fde9331f7"
 dependencies = [
  "heck",
  "proc-macro2",