diff --git a/Cargo.lock b/Cargo.lock
index b80bd9f05f..4d4bbe5299 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4926,9 +4926,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0efd8caf556a6cebd3b285caf480045fcc1ac04f6bd786b09a6f11af30c4fcf4"
+checksum = "93107647184f6027e3b7dcb2e11034cf95ffa1e3a682c67951963ac69c1c007d"
 dependencies = [
  "serde",
 ]
@@ -5787,9 +5787,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b403acf6f2bb0859c93c7f0d967cb4a75a7ac552100f9322faf64dc047669b21"
+checksum = "d6135d499e69981f9ff0ef2167955a5333c35e36f6937d382974566b3d5b94ec"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -5799,18 +5799,18 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ab8ed2edee10b50132aed5f331333428b011c99402b5a534154ed15746f9622"
+checksum = "5a76a9312f5ba4c2dec6b9161fdf25d87ad8a09256ccea5a556fef03c706a10f"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.19.8"
+version = "0.19.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "239410c8609e8125456927e6707163a3b1fdb40561e4b803bc041f466ccfdc13"
+checksum = "92d964908cec0d030b812013af25a0e57fddfadb1e066ecc6681d86253129d4f"
 dependencies = [
  "indexmap",
  "serde",
diff --git a/iox_data_generator/Cargo.toml b/iox_data_generator/Cargo.toml
index cfea11689f..18d1a75f30 100644
--- a/iox_data_generator/Cargo.toml
+++ b/iox_data_generator/Cargo.toml
@@ -26,7 +26,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.96"
 snafu = "0.7"
 tokio = { version = "1.28", features = ["macros", "parking_lot", "rt-multi-thread", "sync", "time"] }
-toml = "0.7.3"
+toml = "0.7.4"
 tracing = "0.1"
 tracing-subscriber = "0.3"
 uuid = { version = "1", default_features = false }