diff --git a/Cargo.lock b/Cargo.lock
index 425d3e0..1252a51 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -133,9 +133,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.21.0-beta.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d0c41d899f822e5f39186d6da130a822a0a43edb19992b51bf4ef6cd0b4cfd1"
+checksum = "a02a88a17e74cadbc8ce77855e1d6c8ad0ab82901a4a9b5046bd01c1c0bd95cd"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -151,9 +151,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.21.0-beta.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5509c2aa78c7e770077e41ba86f806e60dcee812e924ccb2d6fe78c0a0128ce2"
+checksum = "a5eb0b6ecba38961f6f4bd6cd5906dfab3cd426ff37b2eed5771006aa31656f1"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -161,9 +161,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.21.0-beta.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6bb234a86ed619a661f3bb3c2493aaff9cb937e33e198d17f5f20a15881e155"
+checksum = "ba8a6e48a29b5d22e4fdaf132d8ba8d3203ee9f06362d48f244346902a594ec3"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -171,9 +171,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.21.0-beta.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0b787de2c6832eb1eb393c9f82f976a5a87bda979780d9b853878846a8d2e4b"
+checksum = "4e80493c5965f94a747d0782a607b2328a4eea5391327b152b00e2f3b001cede"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -183,9 +183,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.21.0-beta.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e3b7beed357786d2afe845871964e824ad8af0df38a403f7d01cdc81aadb211"
+checksum = "fcd7d86f42004025200e12a6a8119bd878329e6fddef8178eaafa4e4b5906c5b"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index afbc1d9..0ff38e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ crate-type = ["cdylib"]
 reflink-copy = "0.1.15"
 
 [dependencies.pyo3]
-version = "0.21.0-beta.0"
+version = "0.21.0"
 features = ["abi3-py38", "experimental-declarative-modules"]
 
 [lints.rust]