diff --git a/ufos/Cargo.toml b/ufos/Cargo.toml
index 5e762e8..bc7bec0 100644
--- a/ufos/Cargo.toml
+++ b/ufos/Cargo.toml
@@ -8,7 +8,7 @@ anyhow = "1.0.97"
 async-trait = "0.1.88"
 base64 = "0.22.1"
 bincode = { version = "2.0.1", features = ["serde"] }
-cardinality-estimator-safe = { version = "4.0.2", features = ["with_serde", "with_digest"] }
+cardinality-estimator-safe = { version = "4.0.3", features = ["with_serde", "with_digest"] }
 chrono = { version = "0.4.41", features = ["serde"] }
 clap = { workspace = true }
 dropshot = "0.16.0"