diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index 8e2b8a0d..5fb66fa4 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -234,9 +234,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.19.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cffef52f74ec3b1a1baf295d9b8fcc3070327aefc39a6d00656b13c1d0b8885c"
+checksum = "ffb88ae05f306b4bfcde40ac4a51dc0b05936a9207a4b75b798c7729c4258a59"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -251,9 +251,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.19.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "713eccf888fb05f1a96eb78c0dbc51907fee42b3377272dc902eb38985f418d5"
+checksum = "554db24f0b3c180a9c0b1268f91287ab3f17c162e15b54caaae5a6b3773396b0"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -261,9 +261,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.19.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b2ecbdcfb01cbbf56e179ce969a048fd7305a66d4cdf3303e0da09d69afe4c3"
+checksum = "922ede8759e8600ad4da3195ae41259654b9c55da4f7eec84a0ccc7d067a70a4"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -271,9 +271,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.19.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b78fdc0899f2ea781c463679b20cb08af9247febc8d052de941951024cd8aea0"
+checksum = "8a5caec6a1dd355964a841fcbeeb1b89fe4146c87295573f94228911af3cc5a2"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -283,9 +283,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.19.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60da7b84f1227c3e2fe7593505de274dcf4c8928b4e0a1c23d551a14e4e80a0f"
+checksum = "e0b78ccbb160db1556cdb6fd96c50334c5d4ec44dc5e0a968d0a1208fa0efa8b"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/src/_bcrypt/Cargo.toml b/src/_bcrypt/Cargo.toml
index a0790e8a..214bb985 100644
--- a/src/_bcrypt/Cargo.toml
+++ b/src/_bcrypt/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 publish = false
 
 [dependencies]
-pyo3 = { version = "0.19.0" }
+pyo3 = { version = "0.19.1" }
 bcrypt = "0.13"
 bcrypt-pbkdf = "0.8.1"
 base64 = "0.13.1"