diff --git a/Cargo.lock b/Cargo.lock
index 950e06645..613eb7502 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -346,7 +346,7 @@ dependencies = [
  "ndarray",
  "num-complex",
  "num-traits",
- "pyo3",
+ "pyo3 0.12.4",
 ]
 
 [[package]]
@@ -431,7 +431,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf6bbbe8f70d179260b3728e5d04eb012f4f0c7988e58c11433dd689cecaa72e"
 dependencies = [
  "ctor",
- "hashbrown",
  "indoc",
  "inventory",
  "libc",
@@ -441,6 +440,24 @@ dependencies = [
  "unindent",
 ]
 
+[[package]]
+name = "pyo3"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4837b8e8e18a102c23f79d1e9a110b597ea3b684c95e874eb1ad88f8683109c3"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ctor",
+ "hashbrown",
+ "indoc",
+ "inventory",
+ "libc",
+ "parking_lot",
+ "paste",
+ "pyo3-macros",
+ "unindent",
+]
+
 [[package]]
 name = "pyo3-derive-backend"
 version = "0.12.4"
@@ -452,6 +469,28 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "pyo3-macros"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a47f2c300ceec3e58064fd5f8f5b61230f2ffd64bde4970c81fdd0563a2db1bb"
+dependencies = [
+ "pyo3-macros-backend",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pyo3-macros-backend"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87b097e5d84fcbe3e167f400fbedd657820a375b034c78bd852050749a575d66"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pyo3cls"
 version = "0.12.4"
@@ -570,7 +609,7 @@ dependencies = [
  "ndarray",
  "numpy",
  "petgraph",
- "pyo3",
+ "pyo3 0.13.2",
  "rand",
  "rand_pcg",
  "rayon",
diff --git a/Cargo.toml b/Cargo.toml
index 6fa1831bc..7dab14d74 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 = "0.13.2"
 features = ["extension-module", "hashbrown"]
 
 [dependencies.hashbrown]