diff --git a/Cargo.lock b/Cargo.lock
index 0d583071e5c6..a779f04ff2c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5260,15 +5260,15 @@ dependencies = [
 
 [[package]]
 name = "prometheus"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8425533e7122f0c3cc7a37e6244b16ad3a2cc32ae7ac6276e2a75da0d9c200d"
+checksum = "5986aa8d62380092d2f50f8b1cdba9cb9b6731ffd4b25b51fd126b6c3e05b99c"
 dependencies = [
  "cfg-if 1.0.0",
  "fnv",
  "lazy_static",
+ "memchr",
  "parking_lot",
- "regex",
  "thiserror",
 ]
 
diff --git a/common/logger/Cargo.toml b/common/logger/Cargo.toml
index b1448048dc5b..296e8f5e5e15 100644
--- a/common/logger/Cargo.toml
+++ b/common/logger/Cargo.toml
@@ -22,4 +22,4 @@ diem-workspace-hack = { path = "../workspace-hack" }
 once_cell = "1.7.2"
 serde = { version = "1.0.123", features = ["derive"] }
 serde_json = "1.0.64"
-prometheus = { version = "0.11.0", default-features = false }
+prometheus = { version = "0.12.0", default-features = false }
diff --git a/common/metrics-core/Cargo.toml b/common/metrics-core/Cargo.toml
index cf8a84d2ff79..b0576dcbca28 100644
--- a/common/metrics-core/Cargo.toml
+++ b/common/metrics-core/Cargo.toml
@@ -11,4 +11,4 @@ edition = "2018"
 
 [dependencies]
 diem-workspace-hack = { path = "../workspace-hack" }
-prometheus = { version = "0.11.0", default-features = false }
+prometheus = { version = "0.12.0", default-features = false }
diff --git a/common/metrics/Cargo.toml b/common/metrics/Cargo.toml
index ea15aaa1347a..b06fafb7eb80 100644
--- a/common/metrics/Cargo.toml
+++ b/common/metrics/Cargo.toml
@@ -14,7 +14,7 @@ anyhow = "1.0.38"
 futures = "0.3.12"
 hyper = { version = "0.14.4", features = ["full"] }
 once_cell = "1.7.2"
-prometheus = { version = "0.11.0", default-features = false }
+prometheus = { version = "0.12.0", default-features = false }
 serde_json = "1.0.64"
 tokio = { version = "1.2.0", features = ["full"] }