diff --git a/Cargo.lock b/Cargo.lock
index c3b395648..3cb389c8d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -71,7 +71,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "error-chain"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -81,7 +81,7 @@ dependencies = [
 name = "ethabi"
 version = "6.0.0"
 dependencies = [
- "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -95,7 +95,7 @@ name = "ethabi-cli"
 version = "6.0.0"
 dependencies = [
  "docopt 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethabi 6.0.0",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -448,7 +448,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a2f4a431c5c9f662e1200b7c7f02c34e91361150e382089a8f2dec3ba680cbda"
 "checksum docopt 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d8acd393692c503b168471874953a2531df0e9ab77d0b6bbc582395743300a4a"
 "checksum dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "09c3753c3db574d215cba4ea76018483895d7bff25a31b49ba45db21c48e50ab"
-"checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
+"checksum error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07e791d3be96241c77c43846b665ef1384606da2cd2a48730abe606a12906e02"
 "checksum ethbloom 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a93a43ce2e9f09071449da36bfa7a1b20b950ee344b6904ff23de493b03b386"
 "checksum ethereum-types 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "53eabbad504e438e20b6559fd070d79b92cb31c02f994c7ecb05e9b2df716013"
 "checksum ethereum-types-serialize 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ac59a21a9ce98e188f3dace9eb67a6c4a3c67ec7fbc7218cb827852679dc002"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index dd145f211..3e7128c96 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -13,7 +13,7 @@ serde = "1.0"
 serde_derive = "1.0"
 docopt = "0.8.1"
 ethabi = { version = "6.0", path = "../ethabi" }
-error-chain = { version = "0.11.0", default-features = false }
+error-chain = { version = "0.12.0", default-features = false }
 
 [features]
 backtrace = ["error-chain/backtrace"]
diff --git a/ethabi/Cargo.toml b/ethabi/Cargo.toml
index f791d8dab..7a1e4b2bf 100644
--- a/ethabi/Cargo.toml
+++ b/ethabi/Cargo.toml
@@ -13,7 +13,7 @@ serde = "1.0"
 serde_json = "1.0"
 serde_derive = "1.0"
 tiny-keccak = "1.3"
-error-chain = { version = "0.11", default-features = false }
+error-chain = { version = "0.12", default-features = false }
 ethereum-types = "0.3"
 
 [features]