diff --git a/Cargo.lock b/Cargo.lock
index fefd00862780dce14f8c3fe5f5423f41620ffd22..77da4784769395c06fcfee2f9d31233954e1205c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4431,9 +4431,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.7"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cf45bb0bef80604d001caaec0d09da99611b3c0fd39d3080468875cdb65645"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 0e0a7618e9ff8b03394e670118e517f30b07e3d5..9fb9824459d107f757bd6700dc2b924a567ff478 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ cargo_metadata = "0.12.1"
 codec = { package = "parity-scale-codec", version = "1.3.5" }
 which = "4.0.2"
 colored = "2.0.0"
-toml = "0.5.7"
+toml = "0.5.8"
 rustc_version = "0.3.0"
 blake2 = "0.9.1"
 contract-metadata = { version = "0.2.0", path = "./metadata" }