diff --git a/Cargo.lock b/Cargo.lock
index 05fe91f6e12bf3d3b44f3385ca482741d98ae236..66f05db45167d8bf84999c71b84a04ab4a127b32 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2852,18 +2852,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.132"
+version = "1.0.133"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b9875c23cf305cd1fd7eb77234cbb705f21ea6a72c637a5c6db5fe4b8e7f008"
+checksum = "97565067517b60e2d1ea8b268e59ce036de907ac523ad83a0475da04e818989a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.132"
+version = "1.0.133"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecc0db5cb2556c0e558887d9bbdcf6ac4471e83ff66cf696e5419024d1606276"
+checksum = "ed201699328568d8d08208fdd080e3ff594e6c422e438b6705905da01005d537"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 0fc39ede058cbf52fd75fc08a0c901ec7c6b898d..81ed9ac042a27ff6d340d41815778da8a136d22e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ rustc_version = "0.4.0"
 blake2 = "0.10.0"
 contract-metadata = { version = "0.5.0", path = "./metadata" }
 semver = { version = "1.0.4", features = ["serde"] }
-serde = { version = "1.0.132", default-features = false, features = ["derive"] }
+serde = { version = "1.0.133", default-features = false, features = ["derive"] }
 serde_json = "1.0.73"
 tempfile = "3.2.0"
 url = { version = "2.2.2", features = ["serde"] }
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index ddc1f612e2509a05d4f052e49abaebb512a80dc6..2d61b05d6696bd18488db54e146bdce64c57bc97 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -20,7 +20,7 @@ path = "lib.rs"
 [dependencies]
 impl-serde = "0.3.2"
 semver = { version = "1.0.4", features = ["serde"] }
-serde = { version = "1.0.132", default-features = false, features = ["derive"] }
+serde = { version = "1.0.133", default-features = false, features = ["derive"] }
 serde_json = "1.0.73"
 url = { version = "2.2.2", features = ["serde"] }