diff --git a/Cargo.lock b/Cargo.lock
index 0cf47febc3..95273e3730 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "ahash"
 version = "0.4.7"
@@ -61,7 +63,7 @@ dependencies = [
  "const_fn",
  "crossbeam-utils",
  "lazy_static",
- "memoffset",
+ "memoffset 0.6.1",
  "scopeguard",
 ]
 
@@ -159,6 +161,12 @@ dependencies = [
  "proc-macro-hack",
 ]
 
+[[package]]
+name = "indoc"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da2d6f23ffea9d7e76c53eee25dfb67bcd8fde7f1198b0855350698c9f07c780"
+
 [[package]]
 name = "indoc-impl"
 version = "0.3.6"
@@ -242,6 +250,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "ndarray"
 version = "0.13.1"
@@ -306,9 +323,15 @@ dependencies = [
  "ndarray",
  "num-complex",
  "num-traits",
- "pyo3",
+ "pyo3 0.12.4",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+
 [[package]]
 name = "parking_lot"
 version = "0.11.1"
@@ -391,8 +414,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf6bbbe8f70d179260b3728e5d04eb012f4f0c7988e58c11433dd689cecaa72e"
 dependencies = [
  "ctor",
- "hashbrown",
- "indoc",
+ "indoc 0.3.6",
  "inventory",
  "libc",
  "parking_lot",
@@ -401,6 +423,34 @@ dependencies = [
  "unindent",
 ]
 
+[[package]]
+name = "pyo3"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccd4149c8c3975099622b4e1962dac27565cf5663b76452c3e2b66e0b6824277"
+dependencies = [
+ "cfg-if 1.0.0",
+ "hashbrown",
+ "indoc 1.0.8",
+ "libc",
+ "memoffset 0.8.0",
+ "parking_lot",
+ "pyo3-build-config",
+ "pyo3-ffi",
+ "pyo3-macros",
+ "unindent",
+]
+
+[[package]]
+name = "pyo3-build-config"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cd09fe469834db21ee60e0051030339e5d361293d8cb5ec02facf7fdcf52dbf"
+dependencies = [
+ "once_cell",
+ "target-lexicon",
+]
+
 [[package]]
 name = "pyo3-derive-backend"
 version = "0.12.4"
@@ -412,6 +462,39 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "pyo3-ffi"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c427c9a96b9c5b12156dbc11f76b14f49e9aae8905ca783ea87c249044ef137"
+dependencies = [
+ "libc",
+ "pyo3-build-config",
+]
+
+[[package]]
+name = "pyo3-macros"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16b822bbba9d60630a44d2109bc410489bb2f439b33e3a14ddeb8a40b378a7c4"
+dependencies = [
+ "proc-macro2",
+ "pyo3-macros-backend",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pyo3-macros-backend"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84ae898104f7c99db06231160770f3e40dad6eb9021daddc0fedfa3e41dff10a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pyo3cls"
 version = "0.12.4"
@@ -527,7 +610,7 @@ dependencies = [
  "ndarray",
  "numpy",
  "petgraph",
- "pyo3",
+ "pyo3 0.18.0",
  "rand",
  "rand_pcg",
  "rayon",
@@ -556,6 +639,12 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "target-lexicon"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9410d0f6853b1d94f0e519fb95df60f29d2c1eff2d921ffdf01a4c8a3b54f12d"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
diff --git a/Cargo.toml b/Cargo.toml
index 6fa1831bc2..7882c0b9f1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ rand_pcg = "0.3"
 rayon = "1.5"
 
 [dependencies.pyo3]
-version = "0.12.3"
+version = "0.18.0"
 features = ["extension-module", "hashbrown"]
 
 [dependencies.hashbrown]