diff --git a/Cargo.lock b/Cargo.lock
index 2236029..10b773a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -71,6 +71,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64"
+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac07cdecf99051d9a5238b80f35af32cdeba5b336e55d957b318b50137e18da5"
+
 [[package]]
 name = "bitflags"
 version = "2.13.2"
@@ -82,7 +88,7 @@ name = "braess-router"
 version = "0.1.0-alpha.8"
 dependencies = [
  "axum",
- "base64",
+ "base64 0.23.1",
  "poise-core",
  "rand",
  "reqwest",
@@ -361,7 +367,7 @@ version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "futures-channel",
  "futures-util",
@@ -761,7 +767,7 @@ version = "0.12.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eddd3ca559203180a307f12d114c268abf583f59b03cb906fd0b3ff8646c1147"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "futures-channel",
  "futures-core",
diff --git a/Cargo.toml b/Cargo.toml
index 00cb578..6ea8d92 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ include = ["src/**", "scripts/install_service.py", "eval/*.json", "eval/cases.js
 default-run = "braess-router"
 
 [dependencies]
-base64 = "=0.22.1"
+base64 = "=0.23.1"
 ring = "=0.17.14"
 reqwest = { version = "0.12", default-features = false, features = ["blocking", "json", "rustls-tls"] }
 serde = { version = "1", features = ["derive"] }