diff --git a/Cargo.lock b/Cargo.lock
index 0a7c889..96f2bd2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1759,11 +1759,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.120"
+version = "1.0.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e0d21c9a8cae1235ad58a00c11cb40d4b1e5c784f1ef2c537876ed6ffd8b7c5"
+checksum = "784b6203951c57ff748476b126ccb5e8e2959a5c19e5c617ab1956be3dbc68da"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 0dc4109..e481ee1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ pyo3 = { version = "0.22.2", features = ["extension-module", "anyhow"] }
 rayon = "1.10.0"
 serde = { version = "1.0.204", features = ["derive"] }
 sourmash = { version = "0.14.1"}
-serde_json = "1.0.120"
+serde_json = "1.0.122"
 niffler = "2.4.0"
 needletail = "0.5.1"
 #zip = { version = "0.6", default-features = false, features = ["deflate"] }