diff --git a/Cargo.lock b/Cargo.lock
index af4d0ab585..8cafc86e31 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2834,7 +2834,7 @@ dependencies = [
  "proptest",
  "rand",
  "serde",
- "siphasher",
+ "siphasher 1.0.0",
  "snafu",
  "sqlx",
  "sqlx-hotswap-pool",
@@ -4180,7 +4180,7 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90fcb95eef784c2ac79119d1dd819e162b5da872ce6f3c3abe1e8ca1c082f72b"
 dependencies = [
- "siphasher",
+ "siphasher 0.3.11",
 ]
 
 [[package]]
@@ -5251,7 +5251,7 @@ dependencies = [
  "mutable_batch_lp",
  "parking_lot",
  "rand",
- "siphasher",
+ "siphasher 1.0.0",
  "workspace-hack",
 ]
 
@@ -5282,9 +5282,15 @@ checksum = "420acb44afdae038210c99e69aae24109f32f15500aa708e81d46c9f29d55fcf"
 
 [[package]]
 name = "siphasher"
-version = "0.3.10"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
+checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+
+[[package]]
+name = "siphasher"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54ac45299ccbd390721be55b412d41931911f654fa99e2cb8bfb57184b2061fe"
 
 [[package]]
 name = "slab"
diff --git a/iox_catalog/Cargo.toml b/iox_catalog/Cargo.toml
index 0dc88b03ae..abe4274269 100644
--- a/iox_catalog/Cargo.toml
+++ b/iox_catalog/Cargo.toml
@@ -17,7 +17,7 @@ observability_deps = { path = "../observability_deps" }
 once_cell = { version = "1.18", features = ["parking_lot"] }
 parking_lot = { version = "0.12" }
 serde = { version = "1.0", features = ["derive"] }
-siphasher = "0.3"
+siphasher = "1.0"
 snafu = "0.7"
 sqlx = { version = "0.7.1", features = [ "runtime-tokio-rustls" , "postgres", "uuid", "sqlite" ] }
 sqlx-hotswap-pool = { path = "../sqlx-hotswap-pool" }
diff --git a/sharder/Cargo.toml b/sharder/Cargo.toml
index 77adb72aa6..e402d971f7 100644
--- a/sharder/Cargo.toml
+++ b/sharder/Cargo.toml
@@ -9,7 +9,7 @@ license.workspace = true
 data_types = { path = "../data_types" }
 mutable_batch = { path = "../mutable_batch" }
 parking_lot = "0.12"
-siphasher = "0.3"
+siphasher = "1.0"
 workspace-hack = { version = "0.1", path = "../workspace-hack" }
 
 [dev-dependencies]