diff --git a/Cargo.lock b/Cargo.lock
index 98267af..f7b1b8d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1958,7 +1958,7 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "sunsniff"
-version = "0.3.1"
+version = "0.3.2"
 dependencies = [
  "assert_approx_eq",
  "async-std",
@@ -2177,9 +2177,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.7.8"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd79e69d3b627db300ff956027cc6c3798cef26d22526befdfcd12feeb6d2257"
+checksum = "a1a195ec8c9da26928f773888e0742ca3ca1040c6cd859c919c9f59c1954ab35"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -2198,9 +2198,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.19.15"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+checksum = "d34d383cd00a163b4a5b85053df514d45bc330f6de7737edfe0a93311d1eaa03"
 dependencies = [
  "indexmap 2.1.0",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index ebf4121..4de9b24 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,7 +70,7 @@ serde_with = { version = "3.2.0", optional = true }
 tokio = { version = "1.21.2", features = ["macros", "rt"] }
 tokio-modbus = { version = "0.9.0", default-features = false, features = ["rtu", "tcp"], optional = true }
 tokio-serial = { version = "5.4.4", optional = true }
-toml = "0.7.3"
+toml = "0.8.8"
 
 [dev-dependencies]
 assert_approx_eq = "1.1.0"