diff --git a/Cargo.lock b/Cargo.lock
index 8479c59..4422238 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -788,9 +788,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "e3b1ac5b3731ba34fdaa9785f8d74d17448cd18f30cf19e0c7e7b1fdb5272109"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -805,9 +805,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "9cb946f5ac61bb61a5014924910d936ebd2b23b705f7a4a3c40b05c720b079a3"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -815,9 +815,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "fd4d7c5337821916ea2a1d21d1092e8443cf34879e53a0ac653fbb98f44ff65c"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -825,9 +825,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "a9d39c55dab3fc5a4b25bbd1ac10a2da452c4aca13bb450f22818a002e29648d"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -837,9 +837,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "97daff08a4c48320587b5224cc98d609e3c27b6d437315bd40b605c98eeb5918"
 dependencies = [
  "proc-macro2",
  "quote",