diff --git a/Cargo.lock b/Cargo.lock
index b463292..b7ace1d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -229,7 +229,7 @@ checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
 dependencies = [
  "async-trait",
  "axum-core",
- "base64",
+ "base64 0.22.1",
  "bytes",
  "futures-util",
  "http",
@@ -285,6 +285,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b25655df2c3cdd83c5e5b293b88acd880332b2ddadd7c30ac43144fdc0033da9"
+
 [[package]]
 name = "base64ct"
 version = "1.8.3"
@@ -1369,7 +1375,7 @@ 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",
@@ -1813,7 +1819,7 @@ version = "0.1.0"
 dependencies = [
  "argon2",
  "automerge",
- "base64",
+ "base64 0.23.0",
  "chacha20poly1305",
  "ed25519-dalek",
  "futures-util",
@@ -1844,7 +1850,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "axum",
- "base64",
+ "base64 0.23.0",
  "ed25519-dalek",
  "futures-util",
  "hex",
@@ -2025,7 +2031,7 @@ name = "plain-note-client"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "base64",
+ "base64 0.23.0",
  "ed25519-dalek",
  "fs2",
  "hex",
@@ -2329,7 +2335,7 @@ version = "0.12.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eddd3ca559203180a307f12d114c268abf583f59b03cb906fd0b3ff8646c1147"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "futures-core",
  "http",
diff --git a/Cargo.toml b/Cargo.toml
index ee49540..84ec943 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ tokio-tungstenite = "0.24"
 futures-util = "0.3"
 
 # Encoding
-base64 = "0.22"
+base64 = "0.23"
 hex = "0.4"
 
 # HTTP client (CLI enrollment)