diff --git a/Cargo.lock b/Cargo.lock
index 0b64331b..6f4326e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -94,6 +94,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
 [[package]]
 name = "errno"
 version = "0.3.10"
@@ -153,6 +159,12 @@ dependencies = [
  "anyhow",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+
 [[package]]
 name = "heck"
 version = "0.3.3"
@@ -162,6 +174,16 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "indexmap"
+version = "2.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -457,6 +479,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "structopt"
 version = "0.3.26"
@@ -529,13 +560,45 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.9"
+version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+checksum = "900f6c86a685850b1bc9f6223b20125115ee3f31e01207d81655bbcc0aea9231"
 dependencies = [
  "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.6.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3da5db5a963e24bc68be8b17b6fa82814bb22ee8660f192bb182771d498f09a3"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.22.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10558ed0bd2a1562e630926a2d1f0b98c827da99fabd3fe20920a59642504485"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_write",
+ "winnow",
+]
+
+[[package]]
+name = "toml_write"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28391a4201ba7eb1984cfeb6862c0b3ea2cfe23332298967c749dddc0d6cd976"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.13"
@@ -720,6 +783,15 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "winnow"
+version = "0.7.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6cb8234a863ea0e8cd7284fcdd4f145233eb00fee02bbdd9861aec44e6477bc5"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "wit-bindgen-rt"
 version = "0.33.0"
diff --git a/Cargo.toml b/Cargo.toml
index 71381ae3..55eb5dd1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -75,7 +75,7 @@ default-features = false
 version = "1.5.5"
 
 [dependencies.toml]
-version = "0.5.6"
+version = "0.8.21"
 
 [dev-dependencies.nitrokey-test]
 version = "0.5"