diff --git a/examples/namespace_package/Cargo.lock b/examples/namespace_package/Cargo.lock
index 5563d43a..3db6c0d5 100644
--- a/examples/namespace_package/Cargo.lock
+++ b/examples/namespace_package/Cargo.lock
@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -47,6 +53,15 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "namespace_package_rust"
 version = "0.1.0"
@@ -96,13 +111,14 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.16.5"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e6302e85060011447471887705bb7838f14aba43fcb06957d823739a496b3dc"
+checksum = "12f72538a0230791398a0986a6518ebd88abc3fded89007b506ed072acc831e1"
 dependencies = [
  "cfg-if",
  "indoc",
  "libc",
+ "memoffset",
  "parking_lot",
  "pyo3-build-config",
  "pyo3-ffi",
@@ -112,9 +128,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.16.5"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b65b546c35d8a3b1b2f0ddbac7c6a569d759f357f2b9df884f5d6b719152c8"
+checksum = "fc4cf18c20f4f09995f3554e6bcf9b09bd5e4d6b67c562fdfaafa644526ba479"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -122,9 +138,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.16.5"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c275a07127c1aca33031a563e384ffdd485aee34ef131116fcd58e3430d1742b"
+checksum = "a41877f28d8ebd600b6aa21a17b40c3b0fc4dfe73a27b6e81ab3d895e401b0e9"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -132,9 +148,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.16.5"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "284fc4485bfbcc9850a6d661d627783f18d19c2ab55880b021671c4ba83e90f7"
+checksum = "2e81c8d4bcc2f216dc1b665412df35e46d12ee8d3d046b381aad05f1fcf30547"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -144,9 +160,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.16.5"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53bda0f58f73f5c5429693c96ed57f7abdb38fdfc28ae06da4101a257adb7faf"
+checksum = "85752a767ee19399a78272cc2ab625cd7d373b2e112b4b13db28de71fa892784"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/examples/namespace_package/Cargo.toml b/examples/namespace_package/Cargo.toml
index d6969f86..7e81e166 100644
--- a/examples/namespace_package/Cargo.toml
+++ b/examples/namespace_package/Cargo.toml
@@ -7,4 +7,4 @@ edition = "2018"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-pyo3 = { version = "0.16.5", features = ["extension-module"] }
+pyo3 = { version = "0.17.1", features = ["extension-module"] }