diff --git a/Cargo.lock b/Cargo.lock
index a386b64..48cc9b2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -135,9 +135,9 @@ checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "itoa"
-version = "0.4.7"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
+checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
 
 [[package]]
 name = "lazy_static"
@@ -298,9 +298,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.62"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea1c6153794552ea7cf7cf63b1231a25de00ec90db326ba6264440fa08e31486"
+checksum = "c059c05b48c5c0067d4b4b2b4f0732dd65feb52daf7e0ea09cd87e7dadc1af79"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/Cargo.toml b/Cargo.toml
index 8a09dcf..7e0c301 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ quote = "1.0.9"
 syn = { version = "1.0.60", features = [ "extra-traits", "full", "fold", "parsing" ] }
 
 [dev-dependencies]
-serde_json = "1.0.62"
+serde_json = "1.0.75"
 
 [profile.release]
 lto = true