diff --git a/Cargo.lock b/Cargo.lock
index 1b4e712f8f..41a5fcde86 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -298,9 +298,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a378727d5fdcaafd15b5afe9842cff1c25fdc43f62a162ffda2263c57ad98703"
+checksum = "6b3e99c4c3e790e4fc365b42b70c1f7801f42eadc4ea648fa327e6f5ca29f215"
 dependencies = [
  "cfg-if",
  "hashbrown",
@@ -316,18 +316,19 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fbb27a3e96edd34c13d97d0feefccc90a79270c577c66e19d95af8323823dfc"
+checksum = "2486b96281859ff0a3929ba6467b13751627b974f7137362db38e2bed14b2094"
 dependencies = [
  "once_cell",
+ "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b719fff844bcf3f911132112ec06527eb195f6a98e0c42cf97e1118929fd4ea"
+checksum = "dd9de1d94557751599f8bd321f10e6c1ef2801067acb58c91138deef2ae83a17"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -335,9 +336,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f795e52d3320abb349ca28b501a7112154a87f353fae1c811deecd58e99cfa9b"
+checksum = "0b9584049129b1cfb615243391a6345c726690271ae195ffd6aa3766177296aa"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -347,12 +348,11 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39e03aa57a3bb7b96982958088df38302a139df4eef54671bc595f26556cb75b"
+checksum = "b6c4717e6a55c51a9958eda1f5481ff7f62cccd21f45309c10e4731cb7198dbc"
 dependencies = [
  "proc-macro2",
- "pyo3-build-config",
  "quote",
  "syn",
 ]
@@ -495,6 +495,12 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "target-lexicon"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7fa7e55043acb85fca6b3c01485a2eeb6b69c5d21002e273c79e465f43b7ac1"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.2"
diff --git a/Cargo.toml b/Cargo.toml
index c07161ee42..89e8b8d159 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ ahash = "0.7.6"
 num-complex = "0.4"
 
 [dependencies.pyo3]
-version = "0.16.2"
+version = "0.16.3"
 features = ["extension-module", "hashbrown", "num-complex"]
 
 [dependencies.ndarray]