diff --git a/Cargo.lock b/Cargo.lock
index 423587c..bd9a840 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -474,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.20.1"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e82ad98ce1991c9c70c3464ba4187337b9c45fcbbb060d46dca15f0c075e14e2"
+checksum = "9a89dc7a5850d0e983be1ec2a463a171d20990487c3cfcd68b5363f1ee3d6fe0"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -491,9 +491,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.20.1"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5503d0b3aee2c7a8dbb389cd87cd9649f675d4c7f60ca33699a3e3859d81a891"
+checksum = "07426f0d8fe5a601f26293f300afd1a7b1ed5e78b2a705870c5f30893c5163be"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -501,9 +501,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.20.1"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18a79e8d80486a00d11c0dcb27cd2aa17c022cc95c677b461f01797226ba8f41"
+checksum = "dbb7dec17e17766b46bca4f1a4215a85006b4c2ecde122076c562dd058da6cf1"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -511,9 +511,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.20.1"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4b0dc7eaa578604fab11c8c7ff8934c71249c61d4def8e272c76ed879f03d4"
+checksum = "05f738b4e40d50b5711957f142878cfa0f28e054aa0ebdfc3fd137a843f74ed3"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -523,9 +523,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.20.1"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "816a4f709e29ddab2e3cdfe94600d554c5556cad0ddfeea95c47b580c3247fa4"
+checksum = "0fc910d4851847827daf9d6cdd4a823fbdaab5b8818325c5e97a86da79e8881f"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/bindings/lz-str-py/Cargo.toml b/bindings/lz-str-py/Cargo.toml
index 6ab48ed..dd9826f 100644
--- a/bindings/lz-str-py/Cargo.toml
+++ b/bindings/lz-str-py/Cargo.toml
@@ -9,7 +9,7 @@ crate-type = [ "cdylib" ]
 
 [dependencies]
 lz-str = { path = "../.." }
-pyo3 = { version = "0.20.1", features = [ "extension-module", "abi3", "abi3-py37" ] }
+pyo3 = { version = "0.20.2", features = [ "extension-module", "abi3", "abi3-py37" ] }
 
 [features]
 rustc-hash = [