diff --git a/Cargo.lock b/Cargo.lock
index f359cc8..d9d8ecf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -91,6 +91,12 @@ version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ea22880d78093b0cbe17c89f64a7d457941e65759157ec6cb31a31d652b05e5"
 
+[[package]]
+name = "base64"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -456,10 +462,11 @@ dependencies = [
 
 [[package]]
 name = "metrics-exporter-prometheus"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5142a593c2be0cf5c2ac5b22ec7a4f74477b851efb6238236af26c6b5ca6e98e"
+checksum = "8a4964177ddfdab1e3a2b37aec7cf320e14169abb0ed73999f558136409178d5"
 dependencies = [
+ "base64 0.21.0",
  "hyper",
  "indexmap",
  "ipnet",
@@ -985,7 +992,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d1d42a9b3f3ec46ba828e8d376aec14592ea199f70a06a548587ecd1c4ab658"
 dependencies = [
- "base64",
+ "base64 0.20.0",
  "bitflags",
  "bytes",
  "futures-core",
diff --git a/Cargo.toml b/Cargo.toml
index 811e3c9..62b8a42 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,5 +24,5 @@ futures-util = "0.3.28"
 uuid = { version = "1.3.2", features = ["v4"] }
 serde_json = "1.0.96"
 metrics = "0.21.0"
-metrics-exporter-prometheus = "0.12.0"
+metrics-exporter-prometheus = "0.12.1"
 serde = { version = "1.0", features = ["derive"] }