diff --git a/Cargo.lock b/Cargo.lock
index e648e79..d72ed91 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -266,9 +266,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ba0117f4212101ee6544044dae45abe1083d30ce7b29c4b5cbdfa2354e07383"
+checksum = "fa8e48c12afdeb26aa4be4e5c49fb5e11c3efa0878db783a960eea2b9ac6dd19"
 dependencies = [
  "indoc",
  "libc",
@@ -283,18 +283,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc6ddaf24947d12a9aa31ac65431fb1b851b8f4365426e182901eabfb87df5f"
+checksum = "bc1989dbf2b60852e0782c7487ebf0b4c7f43161ffe820849b56cf05f945cee1"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "025474d3928738efb38ac36d4744a74a400c901c7596199e20e45d98eb194105"
+checksum = "c808286da7500385148930152e54fb6883452033085bf1f857d85d4e82ca905c"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -302,9 +302,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e64eb489f22fe1c95911b77c44cc41e7c19f3082fc81cce90f657cdc42ffded"
+checksum = "83a0543c16be0d86cf0dbf2e2b636ece9fd38f20406bb43c255e0bc368095f92"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -314,9 +314,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "100246c0ecf400b475341b8455a9213344569af29a3c841d29270e53102e0fcf"
+checksum = "2a00da2ce064dcd582448ea24a5a26fa9527e0483103019b741ebcbe632dcd29"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 4496cb7..1da52b5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ python = ["dep:pyo3"]
 
 [dependencies]
 chrono = { version = "0.4.42", features = ["serde"] }
-pyo3 = { version = "0.26.0", optional = true }
+pyo3 = { version = "0.27.0", optional = true }
 quick-xml = { version = "0.38.3", features = ["serde", "serialize"] }
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.145"