diff --git a/Cargo.lock b/Cargo.lock
index 91ed623..f09ad20 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1392,9 +1392,9 @@ checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
 
 [[package]]
 name = "serde"
-version = "1.0.223"
+version = "1.0.227"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a505d71960adde88e293da5cb5eda57093379f64e61cf77bf0e6a63af07a7bac"
+checksum = "80ece43fc6fbed4eb5392ab50c07334d3e577cbf40997ee896fe7af40bba4245"
 dependencies = [
  "serde_core",
  "serde_derive",
@@ -1402,18 +1402,18 @@ dependencies = [
 
 [[package]]
 name = "serde_core"
-version = "1.0.223"
+version = "1.0.227"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20f57cbd357666aa7b3ac84a90b4ea328f1d4ddb6772b430caa5d9e1309bb9e9"
+checksum = "7a576275b607a2c86ea29e410193df32bc680303c82f31e275bbfcafe8b33be5"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.223"
+version = "1.0.227"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d428d07faf17e306e699ec1e91996e5a165ba5d6bce5b5155173e91a8a01a56"
+checksum = "51e694923b8824cf0e9b382adf0f60d4e05f348f357b38833a3fa5ed7c2ede04"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index c86be85..3ebb662 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ default = [] # No directories included
 
 [dependencies]
 pyo3 = { version = "0.26.0", features = ["extension-module"] }
-serde = { version = "1.0.223", features = ["derive"] }
+serde = { version = "1.0.227", features = ["derive"] }
 serde_json = "1.0.145"
 
 lindera = "1.2.0"