diff --git a/Cargo.lock b/Cargo.lock
index dceb80a..14815c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -903,18 +903,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.136"
+version = "1.0.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
+checksum = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.136"
+version = "1.0.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
+checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 5635f2e..8f048fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 [dependencies]
 sendgrid = { version = "0.17.4", default-features = false, features = ["rustls", "blocking"] }
 serde_derive = "1.0.112"
-serde = "1.0.136"
+serde = "1.0.137"
 reqwest = { version = "0.11", default-features = false, features = ["json", "rustls-tls"] }
 tokio = { version = "1.18", features = ["full"] }
 serde_json = "1.0.68"