diff --git a/Cargo.lock b/Cargo.lock
index 64793e721e5..c6dbb7f06da 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1363,7 +1363,7 @@ dependencies = [
  "iox_time",
  "observability_deps",
  "once_cell",
- "ordered-float 3.9.1",
+ "ordered-float 4.2.0",
  "paste",
  "percent-encoding",
  "proptest",
@@ -4004,9 +4004,9 @@ dependencies = [
 
 [[package]]
 name = "ordered-float"
-version = "3.9.1"
+version = "4.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a54938017eacd63036332b4ae5c8a49fc8c0c1d6d629893057e4f13609edd06"
+checksum = "a76df7075c7d4d01fdcb46c912dd17fba5b60c78ea480b475f2b6ab6f666584e"
 dependencies = [
  "num-traits",
 ]
diff --git a/data_types/Cargo.toml b/data_types/Cargo.toml
index 31cbd4b3fa9..a6c1129db7d 100644
--- a/data_types/Cargo.toml
+++ b/data_types/Cargo.toml
@@ -14,7 +14,7 @@ iox_time = { path = "../iox_time" }
 generated_types = { path = "../generated_types" }
 observability_deps = { path = "../observability_deps" }
 once_cell = "1"
-ordered-float = "3"
+ordered-float = "4"
 schema = { path = "../schema" }
 sha2 = "0.10"
 sqlx = { version = "0.7.1", features = ["runtime-tokio-rustls", "postgres", "uuid"] }