diff --git a/Cargo.lock b/Cargo.lock
index 70bf768..0eecc11 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -114,9 +114,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.26.0"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ba0117f4212101ee6544044dae45abe1083d30ce7b29c4b5cbdfa2354e07383"
+checksum = "ab53c047fcd1a1d2a8820fe84f05d6be69e9526be40cb03b73f86b6b03e6d87d"
 dependencies = [
  "anyhow",
  "indoc",
@@ -124,7 +124,7 @@ dependencies = [
  "memoffset",
  "once_cell",
  "portable-atomic",
- "pyo3-build-config",
+ "pyo3-build-config 0.27.2",
  "pyo3-ffi",
  "pyo3-macros",
  "unindent",
@@ -135,6 +135,15 @@ name = "pyo3-build-config"
 version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fc6ddaf24947d12a9aa31ac65431fb1b851b8f4365426e182901eabfb87df5f"
+dependencies = [
+ "target-lexicon",
+]
+
+[[package]]
+name = "pyo3-build-config"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b455933107de8642b4487ed26d912c2d899dec6114884214a0b3bb3be9261ea6"
 dependencies = [
  "python3-dll-a",
  "target-lexicon",
@@ -142,19 +151,19 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.26.0"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "025474d3928738efb38ac36d4744a74a400c901c7596199e20e45d98eb194105"
+checksum = "1c85c9cbfaddf651b1221594209aed57e9e5cff63c4d11d1feead529b872a089"
 dependencies = [
  "libc",
- "pyo3-build-config",
+ "pyo3-build-config 0.27.2",
 ]
 
 [[package]]
 name = "pyo3-macros"
-version = "0.26.0"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e64eb489f22fe1c95911b77c44cc41e7c19f3082fc81cce90f657cdc42ffded"
+checksum = "0a5b10c9bf9888125d917fb4d2ca2d25c8df94c7ab5a52e13313a07e050a3b02"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -164,13 +173,13 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.26.0"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "100246c0ecf400b475341b8455a9213344569af29a3c841d29270e53102e0fcf"
+checksum = "03b51720d314836e53327f5871d4c0cfb4fb37cc2c4a11cc71907a86342c40f9"
 dependencies = [
  "heck",
  "proc-macro2",
- "pyo3-build-config",
+ "pyo3-build-config 0.27.2",
  "quote",
  "syn",
 ]
@@ -202,7 +211,7 @@ dependencies = [
  "mio",
  "papaya",
  "pyo3",
- "pyo3-build-config",
+ "pyo3-build-config 0.26.0",
  "socket2",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index e2c7367..58e08d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ crate-type = ["cdylib", "rlib"]
 anyhow = "=1.0"
 mio = { version = "=1.0", features = ["net", "os-ext", "os-poll"] }
 papaya = "=0.2"
-pyo3 = { version = "=0.26", features = ["anyhow", "extension-module", "generate-import-lib"] }
+pyo3 = { version = "=0.27", features = ["anyhow", "extension-module", "generate-import-lib"] }
 socket2 = { version = "=0.6", features = ["all"] }
 
 [target.'cfg(unix)'.dependencies]