diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index a8f97fd6..0c4d5f36 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -236,18 +236,18 @@ checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
 
 [[package]]
 name = "serde"
-version = "1.0.203"
+version = "1.0.209"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7253ab4de971e72fb7be983802300c30b5a7f0c2e56fab8abfc6a214307c0094"
+checksum = "99fce0ffe7310761ca6bf9faf5115afbc19688edd00171d81b1bb1b116c63e09"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.203"
+version = "1.0.209"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
+checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -256,11 +256,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.120"
+version = "1.0.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e0d21c9a8cae1235ad58a00c11cb40d4b1e5c784f1ef2c537876ed6ffd8b7c5"
+checksum = "8043c06d9f82bd7271361ed64f415fe5e12a77fdb52e573e7f06a516dea329ad"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 95c4b37b..f1fdda18 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -10,8 +10,8 @@ cargo-fuzz = true
 [dependencies]
 arbitrary = { version = "1.3.*", features = ["derive"] }
 libfuzzer-sys = { version = "0.4" }
-serde = "1.0.203"
-serde_json = "1.0.120"
+serde = "1.0.209"
+serde_json = "1.0.127"
 
 [dependencies.rsonpath-lib]
 path = "../crates/rsonpath-lib"