diff --git a/Cargo.lock b/Cargo.lock
index 7845130172719beffb4d6ac741f754207feca7d4..0508c2e2fceac6a1b2c4c47df4dade7af50682c1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2854,18 +2854,18 @@ 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",
@@ -3439,9 +3439,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.89"
+version = "1.0.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea297be220d52398dcc07ce15a209fce436d361735ac1db700cab3b6cdfb9f54"
+checksum = "7ff7c592601f11445996a06f8ad0c27f094a58857c2f89e97974ab9235b92c52"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index c06966b2626236f300daa4733756ec16dfbe6043..709a9d67c35d547cee6a0a2976de5a819b894ab2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ rustc_version = "0.4.0"
 blake2 = "0.10.4"
 contract-metadata = { version = "0.6.0", path = "./metadata" }
 semver = { version = "1.0.9", features = ["serde"] }
-serde = { version = "1.0.136", default-features = false, features = ["derive"] }
+serde = { version = "1.0.137", default-features = false, features = ["derive"] }
 serde_json = "1.0.80"
 tempfile = "3.3.0"
 url = { version = "2.2.2", features = ["serde"] }
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index 3425d01b0752a7af8c746433760222f170d9d6f3..952dae6769df782b8f73b6a71e7bd4ed8c72dac6 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -19,7 +19,7 @@ path = "lib.rs"
 [dependencies]
 impl-serde = "0.3.2"
 semver = { version = "1.0.9", features = ["serde"] }
-serde = { version = "1.0.136", default-features = false, features = ["derive"] }
+serde = { version = "1.0.137", default-features = false, features = ["derive"] }
 serde_json = "1.0.80"
 url = { version = "2.2.2", features = ["serde"] }