diff --git a/hocon/Cargo.toml b/hocon/Cargo.toml
index b45d5823..a6134f15 100644
--- a/hocon/Cargo.toml
+++ b/hocon/Cargo.toml
@@ -15,7 +15,7 @@ repository = "https://github.com/j5ik2o/oni-comb-rs"
 oni-comb-parser-rs = { version = "0.0.*", path = "../parser" }
 log = "0.4.21"
 envy = "0.4"
-rust_decimal = "1.34"
+rust_decimal = "1.35"
 rust_decimal_macros = "1.34"
 chrono = "0.4.36"
 anyhow = "1.0.81"
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index b78a4749..8a2deb24 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -21,7 +21,7 @@ regex = "1.10"
 anyhow = "1.0.81"
 env_logger = "0.11.3"
 prop-check-rs = "0.0.527"
-rust_decimal = "1.34.3"
+rust_decimal = "1.35.0"
 chrono = "0.4.36"
 pom = "3.4.0"
 nom = "7.1.3"