diff --git a/Cargo.lock b/Cargo.lock
index 32bcfb461..ce513fc1b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2044,9 +2044,9 @@ dependencies = [
 
 [[package]]
 name = "prometheus"
-version = "0.13.3"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "449811d15fbdf5ceb5c1144416066429cf82316e2ec8ce0c1f6f8a02e7bbcf8c"
+checksum = "3d33c28a30771f7f96db69893f78b857f7450d7e0237e9c8fc6427a81bae7ed1"
 dependencies = [
  "cfg-if",
  "fnv",
diff --git a/crates/connectors/ndc-postgres/Cargo.toml b/crates/connectors/ndc-postgres/Cargo.toml
index 7fe573a3d..8f1742777 100644
--- a/crates/connectors/ndc-postgres/Cargo.toml
+++ b/crates/connectors/ndc-postgres/Cargo.toml
@@ -28,7 +28,7 @@ ndc-sdk = { workspace = true }
 
 async-trait = "0.1.80"
 percent-encoding = "2.3.1"
-prometheus = "0.13.3"
+prometheus = "0.13.4"
 serde_json = { version = "1.0.116", features = ["raw_value"] }
 sqlx = { version = "0.7.4", features = ["json", "postgres", "runtime-tokio-rustls"] }
 thiserror = "1.0"
diff --git a/crates/query-engine/execution/Cargo.toml b/crates/query-engine/execution/Cargo.toml
index bec2395ca..b88a0b344 100644
--- a/crates/query-engine/execution/Cargo.toml
+++ b/crates/query-engine/execution/Cargo.toml
@@ -10,7 +10,7 @@ workspace = true
 [dependencies]
 query-engine-sql = { path = "../sql" }
 
-prometheus = "0.13.3"
+prometheus = "0.13.4"
 serde_json = "1.0.116"
 sqlformat = "0.2.3"
 sqlx = { version = "0.7.4", features = ["json", "postgres", "runtime-tokio-rustls", "uuid"] }