diff --git a/Cargo.lock b/Cargo.lock
index 901fd088..5b054e56 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2098,11 +2098,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.120"
+version = "1.0.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e0d21c9a8cae1235ad58a00c11cb40d4b1e5c784f1ef2c537876ed6ffd8b7c5"
+checksum = "4ab380d7d9f22ef3f21ad3e6c1ebe8e4fc7a2000ccba2e4d71fc96f15b2cb609"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
diff --git a/samply-api/Cargo.toml b/samply-api/Cargo.toml
index e615603b..d00cbdd0 100644
--- a/samply-api/Cargo.toml
+++ b/samply-api/Cargo.toml
@@ -18,7 +18,7 @@ samply-symbols = { version = "0.23.0", path = "../samply-symbols" }
 thiserror = "1"
 serde = "1.0.204"
 serde_derive = "1.0.188"
-serde_json = "1.0.120"
+serde_json = "1.0.121"
 yaxpeax-arch = { version = "0.3", default-features = false }
 yaxpeax-x86 = { version = "2", default-features = false, features = ["std", "fmt"] }
 yaxpeax-arm = { version = "0.3", default-features = false, features = ["std"] }
@@ -28,4 +28,4 @@ memmap2 = "0.9.4"
 anyhow = "1.0.86"
 futures = "0.3.5"
 assert-json-diff = "2.0.1"
-serde_json = "1.0.120"
+serde_json = "1.0.121"
diff --git a/samply/Cargo.toml b/samply/Cargo.toml
index 5f1f8762..eb01534b 100644
--- a/samply/Cargo.toml
+++ b/samply/Cargo.toml
@@ -28,7 +28,7 @@ byteorder = "1.4.3"
 debugid = "0.8.0"
 memchr = "2.7.2"
 memmap2 = "0.9.4"
-serde_json = "1.0.120"
+serde_json = "1.0.121"
 thiserror = "1"
 tempfile = "3.10.1"
 uuid = {  version = "1.10.0", features = ["v4"] }
diff --git a/tools/query_api/Cargo.toml b/tools/query_api/Cargo.toml
index 01f47b8d..9b01e3f6 100644
--- a/tools/query_api/Cargo.toml
+++ b/tools/query_api/Cargo.toml
@@ -12,4 +12,4 @@ clap = { version = "4", features = ["derive"] }
 memmap2 = "0.9.4"
 anyhow = "1.0.86"
 futures = "0.3.5"
-serde_json = "1.0.120"
+serde_json = "1.0.121"