diff --git a/native/Cargo.lock b/native/Cargo.lock
index 2d3899cd..0ae24307 100644
--- a/native/Cargo.lock
+++ b/native/Cargo.lock
@@ -201,7 +201,7 @@ dependencies = [
  "autocfg",
  "cfg-if",
  "crossbeam-utils",
- "memoffset",
+ "memoffset 0.6.5",
  "once_cell",
  "scopeguard",
 ]
@@ -261,6 +261,12 @@ version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -278,9 +284,9 @@ checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
 
 [[package]]
 name = "indoc"
-version = "1.0.6"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05a0bd019339e5d968b37855180087b7b9d512c5046fbd244cf8c95687927d6e"
+checksum = "1e186cfbae8084e513daff4240b4797e342f988cecda4fb6c939150f96315fd8"
 
 [[package]]
 name = "instant"
@@ -414,6 +420,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.15"
@@ -542,14 +557,14 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.17.3"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "268be0c73583c183f2b14052337465768c07726936a260f480f0857cb95ba543"
+checksum = "9a89dc7a5850d0e983be1ec2a463a171d20990487c3cfcd68b5363f1ee3d6fe0"
 dependencies = [
  "cfg-if",
  "indoc",
  "libc",
- "memoffset",
+ "memoffset 0.9.0",
  "parking_lot",
  "pyo3-build-config",
  "pyo3-ffi",
@@ -559,9 +574,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.17.3"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28fcd1e73f06ec85bf3280c48c67e731d8290ad3d730f8be9dc07946923005c8"
+checksum = "07426f0d8fe5a601f26293f300afd1a7b1ed5e78b2a705870c5f30893c5163be"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -569,9 +584,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.17.3"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f6cb136e222e49115b3c51c32792886defbfb0adead26a688142b346a0b9ffc"
+checksum = "dbb7dec17e17766b46bca4f1a4215a85006b4c2ecde122076c562dd058da6cf1"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -579,25 +594,26 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.17.3"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94144a1266e236b1c932682136dc35a9dee8d3589728f68130c7c3861ef96b28"
+checksum = "05f738b4e40d50b5711957f142878cfa0f28e054aa0ebdfc3fd137a843f74ed3"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.41",
 ]
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.17.3"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8df9be978a2d2f0cdebabb03206ed73b11314701a5bfe71b0d753b81997777f"
+checksum = "0fc910d4851847827daf9d6cdd4a823fbdaab5b8818325c5e97a86da79e8881f"
 dependencies = [
+ "heck",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.41",
 ]
 
 [[package]]
@@ -839,9 +855,9 @@ checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c"
 
 [[package]]
 name = "unindent"
-version = "0.1.9"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52fee519a3e570f7df377a06a1a7775cdbfb7aa460be7e08de2b1f0e69973a44"
+checksum = "c7de7d73e1754487cb58364ee906a499937a0dfabd86bcb980fa99ec8c8fa2ce"
 
 [[package]]
 name = "walkdir"
diff --git a/native/libcst/Cargo.toml b/native/libcst/Cargo.toml
index e96d4bc4..737f71b9 100644
--- a/native/libcst/Cargo.toml
+++ b/native/libcst/Cargo.toml
@@ -36,7 +36,7 @@ trace = ["peg/trace"]
 
 [dependencies]
 paste = "1.0.9"
-pyo3 = { version = ">=0.17,<0.20", optional = true }
+pyo3 = { version = "0.20", optional = true }
 thiserror = "1.0.37"
 peg = "0.8.1"
 chic = "1.2.2"
diff --git a/native/libcst/src/nodes/traits.rs b/native/libcst/src/nodes/traits.rs
index 1efa29fc..1dd58132 100644
--- a/native/libcst/src/nodes/traits.rs
+++ b/native/libcst/src/nodes/traits.rs
@@ -118,7 +118,7 @@ impl<'a, T: Inflate<'a>> Inflate<'a> for Vec<T> {
 }
 #[cfg(feature = "py")]
 pub mod py {
-    use pyo3::{types::PyTuple, AsPyPointer, IntoPy, PyObject, PyResult, Python};
+    use pyo3::{types::PyAny, types::PyTuple, IntoPy, PyObject, PyResult, Python};
 
     // TODO: replace with upstream implementation once
     // https://github.com/PyO3/pyo3/issues/1813 is resolved
@@ -188,7 +188,7 @@ pub mod py {
 
     impl<T> TryIntoPy<PyObject> for &'_ T
     where
-        T: AsPyPointer,
+        T: AsRef<PyAny>,
     {
         fn try_into_py(self, py: Python) -> PyResult<PyObject> {
             Ok(self.into_py(py))