diff --git a/Cargo.lock b/Cargo.lock
index 21af4de..1eb64aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -764,9 +764,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.0"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccd4149c8c3975099622b4e1962dac27565cf5663b76452c3e2b66e0b6824277"
+checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -781,9 +781,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.0"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cd09fe469834db21ee60e0051030339e5d361293d8cb5ec02facf7fdcf52dbf"
+checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -791,9 +791,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.0"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c427c9a96b9c5b12156dbc11f76b14f49e9aae8905ca783ea87c249044ef137"
+checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -801,9 +801,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.0"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16b822bbba9d60630a44d2109bc410489bb2f439b33e3a14ddeb8a40b378a7c4"
+checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -813,9 +813,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.0"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84ae898104f7c99db06231160770f3e40dad6eb9021daddc0fedfa3e41dff10a"
+checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
 dependencies = [
  "proc-macro2",
  "quote",