diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 285b854..100b344 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.81.0
+          toolchain: 1.83.0
           components: clippy, rustfmt
       - name: Run clippy
         run: cargo clippy --all-targets --all-features -- --deny warnings
diff --git a/Cargo.lock b/Cargo.lock
index f76d33a..f97e6e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -110,9 +110,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.93"
+version = "1.0.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c95c10ba0b00a02636238b814946408b1322d5ac4760326e6fb8ec956d85775"
+checksum = "c1fd03a028ef38ba2276dce7e33fcd6369c158a1bca17946c4b1b701891c1ff7"
 
 [[package]]
 name = "askama"
@@ -225,7 +225,7 @@ checksum = "7319a086b79c3ff026a33a61e80f04fd3885fbb73237981ea080d21944e1cb1c"
 dependencies = [
  "base64 0.22.1",
  "bytes",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-serde",
  "query_map",
@@ -235,16 +235,16 @@ dependencies = [
 
 [[package]]
 name = "axum"
-version = "0.7.7"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "504e3947307ac8326a5437504c517c4b56716c9d98fac0028c2acc7ca47d70ae"
+checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
 dependencies = [
  "async-trait",
  "axum-core",
  "axum-macros",
  "bytes",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-body-util",
  "hyper",
@@ -277,7 +277,7 @@ dependencies = [
  "async-trait",
  "bytes",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-body-util",
  "mime",
@@ -383,18 +383,18 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ac0150caa2ae65ca5bd83f25c7de183dea78d4d366469f148435e2acfbad0da"
+checksum = "325918d6fe32f23b19878fe4b34794ae41fc19ddbe53b10571a4874d44ffd39b"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "cached"
-version = "0.53.1"
+version = "0.54.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4d73155ae6b28cf5de4cfc29aeb02b8a1c6dab883cb015d15cd514e42766846"
+checksum = "9718806c4a2fe9e8a56fd736f97b340dd10ed1be8ed733ed50449f351dc33cae"
 dependencies = [
  "ahash",
  "async-trait",
@@ -403,7 +403,7 @@ dependencies = [
  "futures",
  "hashbrown",
  "once_cell",
- "thiserror",
+ "thiserror 1.0.64",
  "tokio",
  "web-time",
 ]
@@ -443,9 +443,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.38"
+version = "0.4.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
+checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
@@ -458,9 +458,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.20"
+version = "4.5.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b97f376d85a664d5837dbae44bf546e6477a679ff6610010f17276f686d867e8"
+checksum = "3135e7ec2ef7b10c6ed8950f0f792ed96ee093fa088608f1c76e569722700c84"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -468,9 +468,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.20"
+version = "4.5.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19bc80abd44e4bed93ca373a0704ccbd1b710dc5749406201bb018272808dc54"
+checksum = "30582fc632330df2bd26877bde0c1f4470d57c582bbc070376afcd04d8cb4838"
 dependencies = [
  "anstream",
  "anstyle",
@@ -492,9 +492,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.7.2"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1462739cb27611015575c0c11df5df7601141071f07518d56fcc1be504cbec97"
+checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
 
 [[package]]
 name = "colorchoice"
@@ -574,7 +574,7 @@ dependencies = [
  "cached",
  "chrono",
  "email_address",
- "http 1.1.0",
+ "http 1.2.0",
  "indoc",
  "mockall",
  "octorust",
@@ -584,7 +584,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_yaml",
- "thiserror",
+ "thiserror 2.0.6",
  "tokio",
  "tracing",
 ]
@@ -886,9 +886,9 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21b9ddb458710bc376481b842f5da65cdf31522de232c1ca8146abce2a358258"
+checksum = "f16ca2af56261c99fba8bac40a10251ce8188205a4c448fbb745a2e4daa76fea"
 dependencies = [
  "bytes",
  "fnv",
@@ -902,7 +902,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
 dependencies = [
  "bytes",
- "http 1.1.0",
+ "http 1.2.0",
 ]
 
 [[package]]
@@ -913,7 +913,7 @@ checksum = "793429d76616a256bcb62c2a2ec2bed781c8307e797e2598c50010f2bee2544f"
 dependencies = [
  "bytes",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "pin-project-lite",
 ]
@@ -930,7 +930,7 @@ version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f056c8559e3757392c8d091e796416e4649d8e49e88b8d76df6c002f05027fd"
 dependencies = [
- "http 1.1.0",
+ "http 1.2.0",
  "serde",
 ]
 
@@ -964,7 +964,7 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "httparse",
  "httpdate",
@@ -982,7 +982,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ee4be2c948921a1a5320b629c4193916ed787a7f7f293fd3f7f5a6c9de74155"
 dependencies = [
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "hyper",
  "hyper-util",
  "rustls",
@@ -1002,7 +1002,7 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "hyper",
  "pin-project-lite",
@@ -1139,7 +1139,7 @@ dependencies = [
  "encoding_rs",
  "futures",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-body-util",
  "hyper",
@@ -1164,7 +1164,7 @@ dependencies = [
  "base64 0.22.1",
  "bytes",
  "futures",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-body-util",
  "http-serde",
@@ -1191,7 +1191,7 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-body-util",
  "hyper",
@@ -1312,9 +1312,9 @@ dependencies = [
 
 [[package]]
 name = "mockall"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4c28b3fb6d753d28c20e826cd46ee611fda1cf3cde03a443a974043247c065a"
+checksum = "39a6bfcc6c8c7eed5ee98b9c3e33adc726054389233e201c95dab2d41a3839d2"
 dependencies = [
  "cfg-if",
  "downcast",
@@ -1326,9 +1326,9 @@ dependencies = [
 
 [[package]]
 name = "mockall_derive"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "341014e7f530314e9a1fdbc7400b244efea7122662c96bfa248c31da5bfb2020"
+checksum = "25ca3004c2efe9011bd4e461bd8256445052b9615405b4f7ea43fc8ca5c20898"
 dependencies = [
  "cfg-if",
  "proc-macro2",
@@ -1409,7 +1409,7 @@ dependencies = [
  "async-trait",
  "bytes",
  "chrono",
- "http 1.1.0",
+ "http 1.2.0",
  "jsonwebtoken",
  "log",
  "mime",
@@ -1426,7 +1426,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "thiserror",
+ "thiserror 1.0.64",
  "tokio",
  "url",
  "uuid",
@@ -1636,9 +1636,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.86"
+version = "1.0.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
 dependencies = [
  "unicode-ident",
 ]
@@ -1680,7 +1680,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "socket2",
- "thiserror",
+ "thiserror 1.0.64",
  "tokio",
  "tracing",
 ]
@@ -1697,7 +1697,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "slab",
- "thiserror",
+ "thiserror 1.0.64",
  "tinyvec",
  "tracing",
 ]
@@ -1826,7 +1826,7 @@ dependencies = [
  "bytes",
  "futures-core",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-body-util",
  "hyper",
@@ -1866,7 +1866,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1663d9d4fbb6e3900f91455d6d7833301c91ae3c7fc6e116fd7acd40e478a93"
 dependencies = [
  "async-trait",
- "http 1.1.0",
+ "http 1.2.0",
  "reqwest",
  "reqwest-middleware",
 ]
@@ -1879,10 +1879,10 @@ checksum = "562ceb5a604d3f7c885a792d42c199fd8af239d0a51b2fa6a78aafa092452b04"
 dependencies = [
  "anyhow",
  "async-trait",
- "http 1.1.0",
+ "http 1.2.0",
  "reqwest",
  "serde",
- "thiserror",
+ "thiserror 1.0.64",
  "tower-service",
 ]
 
@@ -1897,7 +1897,7 @@ dependencies = [
  "chrono",
  "futures",
  "getrandom",
- "http 1.1.0",
+ "http 1.2.0",
  "hyper",
  "parking_lot 0.11.2",
  "reqwest",
@@ -1917,7 +1917,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "getrandom",
- "http 1.1.0",
+ "http 1.2.0",
  "matchit 0.8.4",
  "reqwest",
  "reqwest-middleware",
@@ -2066,18 +2066,18 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "serde"
-version = "1.0.214"
+version = "1.0.215"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f55c3193aca71c12ad7890f1785d2b73e1b9f63a0bbc353c08ef26fe03fc56b5"
+checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.214"
+version = "1.0.215"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de523f781f095e28fa605cdce0f8307e451cc0fd14e2eb4cd2e98a355b147766"
+checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2097,9 +2097,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.132"
+version = "1.0.133"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d726bfaff4b320266d395898905d0eba0345aae23b54aee3a737e260fd46db03"
+checksum = "c7fceb2473b9166b2294ef05efcb65a3db80803f0b03ef86a5fc88a2b85ee377"
 dependencies = [
  "itoa",
  "memchr",
@@ -2185,7 +2185,7 @@ checksum = "adc4e5204eb1910f40f9cfa375f6f05b68c3abac4b6fd879c8ff5e7ae8a0a085"
 dependencies = [
  "num-bigint",
  "num-traits",
- "thiserror",
+ "thiserror 1.0.64",
  "time",
 ]
 
@@ -2240,9 +2240,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.87"
+version = "2.0.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
+checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2272,18 +2272,38 @@ checksum = "3369f5ac52d5eb6ab48c6b4ffdc8efbcad6b89c765749064ba298f2c68a16a76"
 
 [[package]]
 name = "thiserror"
-version = "1.0.69"
+version = "1.0.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
+dependencies = [
+ "thiserror-impl 1.0.64",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+checksum = "8fec2a1820ebd077e2b90c4df007bebf344cd394098a13c563957d0afc83ea47"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.6",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.69"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "2.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d65750cab40f4ff1929fb1ba509e9914eb756131cef4210da8d5d700d26f6312"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2348,9 +2368,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.41.1"
+version = "1.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22cfb5bee7a6a52939ca9224d6ac897bb669134078daa8735560897f69de4d33"
+checksum = "5cec9b21b0450273377fc97bd4c33a8acffc8c996c987a7c5b319a0083707551"
 dependencies = [
  "backtrace",
  "bytes",
@@ -2444,15 +2464,15 @@ dependencies = [
 
 [[package]]
 name = "tower-http"
-version = "0.5.2"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e9cd434a998747dd2c4276bc96ee2e0c7a2eadf3cae88e52be55a05fa9053f5"
+checksum = "403fa3b783d4b626a8ad51d766ab03cb6d2dbfc46b1c5d4448395e6628dc9697"
 dependencies = [
- "base64 0.21.7",
+ "base64 0.22.1",
  "bitflags 2.6.0",
  "bytes",
  "futures-util",
- "http 1.1.0",
+ "http 1.2.0",
  "http-body",
  "http-body-util",
  "http-range-header",
@@ -2482,9 +2502,9 @@ checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
 
 [[package]]
 name = "tracing"
-version = "0.1.40"
+version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
+checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0"
 dependencies = [
  "log",
  "pin-project-lite",
@@ -2494,9 +2514,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.27"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
+checksum = "395ae124c09f9e6918a2310af6038fba074bcf474ac352496d5910dd59a2226d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2505,9 +2525,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.32"
+version = "0.1.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
+checksum = "e672c95779cf947c5311f83787af4fa8fffd12fb27e4993211a84bdfd9610f9c"
 dependencies = [
  "once_cell",
  "valuable",
@@ -2526,9 +2546,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-serde"
-version = "0.1.3"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc6b213177105856957181934e4920de57730fc69bf42c37ee5bb664d406d9e1"
+checksum = "704b1aeb7be0d0a84fc9828cae51dab5970fee5088f83d1dd7ee6f6246fc6ff1"
 dependencies = [
  "serde",
  "tracing-core",
@@ -2536,9 +2556,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.3.18"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
+checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008"
 dependencies = [
  "matchers",
  "nu-ansi-term",
diff --git a/Cargo.toml b/Cargo.toml
index f894af0..1421198 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,36 +10,36 @@ members = [
 version = "0.1.0"
 edition = "2021"
 license = "Apache-2.0"
-rust-version = "1.81"
+rust-version = "1.83"
 
 [workspace.dependencies]
-anyhow = "1.0.93"
+anyhow = "1.0.94"
 askama = "0.12.1"
 async-trait = "0.1.83"
-axum = { version = "0.7.7", features = ["macros"] }
+axum = { version = "0.7.9", features = ["macros"] }
 base64 = "0.22.1"
-bytes = "1.8.0"
-cached = { version = "0.53.1", features = ["async"] }
-clap = { version = "4.5.20", features = ["derive"] }
-chrono = "0.4.38"
+bytes = "1.9.0"
+cached = { version = "0.54.0", features = ["async"] }
+clap = { version = "4.5.23", features = ["derive"] }
+chrono = "0.4.39"
 email_address = "0.2.9"
 figment = { version = "0.10.19", features = ["yaml", "env"] }
 hmac = "0.12.1"
 hex = "0.4.3"
-http = "1.1.0"
+http = "1.2.0"
 indoc = "2.0.5"
 lambda_http = "0.13.0"
-mockall = "0.13.0"
+mockall = "0.13.1"
 octorust = "0.8.0-rc.1"
 pem = "3.0.4"
 pretty_assertions = "1.4.1"
 regex = "1.11.1"
-serde = { version = "1.0.214", features = ["derive"] }
-serde_json = "1.0.132"
+serde = { version = "1.0.215", features = ["derive"] }
+serde_json = "1.0.133"
 serde_yaml = "0.9.34"
 sha2 = "0.10.8"
-thiserror = "1.0.69"
-tokio = { version = "1.41.1", features = [
+thiserror = "2.0.6"
+tokio = { version = "1.42.0", features = [
     "macros",
     "process",
     "rt-multi-thread",
@@ -48,6 +48,6 @@ tokio = { version = "1.41.1", features = [
     "time",
 ] }
 tower = "0.5.1"
-tower-http = { version = "0.5.2", features = ["auth", "fs", "set-header", "trace"] }
-tracing = "0.1.40"
-tracing-subscriber = { version = "0.3.18", features = ["env-filter", "json"] }
+tower-http = { version = "0.6.2", features = ["auth", "fs", "set-header", "trace"] }
+tracing = "0.1.41"
+tracing-subscriber = { version = "0.3.19", features = ["env-filter", "json"] }
diff --git a/dco2-server/Dockerfile b/dco2-server/Dockerfile
index 784bb1c..49080ce 100644
--- a/dco2-server/Dockerfile
+++ b/dco2-server/Dockerfile
@@ -1,5 +1,5 @@
 # Build dco2-server
-FROM rust:1-alpine3.20 AS builder
+FROM rust:1-alpine3.21 AS builder
 RUN apk --no-cache add musl-dev perl make
 WORKDIR /dco2
 COPY Cargo.* ./
@@ -10,7 +10,7 @@ WORKDIR /dco2/dco2-server
 RUN cargo build --release
 
 # Final stage
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 RUN apk --no-cache add ca-certificates && addgroup -S dco2 && adduser -S dco2 -G dco2
 USER dco2
 WORKDIR /home/dco2
diff --git a/dco2-server/src/config.rs b/dco2-server/src/config.rs
index c480f18..11c0d6c 100644
--- a/dco2-server/src/config.rs
+++ b/dco2-server/src/config.rs
@@ -19,7 +19,7 @@ pub(crate) struct Config {
 
 impl Config {
     /// Create a new Config instance.
-    pub(crate) fn new(config_file: &Option<PathBuf>) -> Result<Self> {
+    pub(crate) fn new(config_file: Option<&PathBuf>) -> Result<Self> {
         let mut figment = Figment::new()
             .merge(Serialized::default("log_format", "json"))
             .merge(Serialized::default("server_addr", "localhost:9000"));
diff --git a/dco2-server/src/main.rs b/dco2-server/src/main.rs
index 80cfd61..c268dd7 100644
--- a/dco2-server/src/main.rs
+++ b/dco2-server/src/main.rs
@@ -25,7 +25,7 @@ struct Args {
 async fn main() -> Result<()> {
     // Setup configuration
     let args = Args::parse();
-    let cfg = Config::new(&args.config_file).context("error setting up configuration")?;
+    let cfg = Config::new(args.config_file.as_ref()).context("error setting up configuration")?;
 
     // Setup logging
     if std::env::var_os("RUST_LOG").is_none() {