diff --git a/Cargo.lock b/Cargo.lock
index a95e487..7bce114 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,7 +2,7 @@
 # It is not intended for manual editing.
 [[package]]
 name = "bincode"
-version = "1.2.1"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -105,7 +105,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "rusty-chain"
 version = "0.1.0"
 dependencies = [
- "bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bincode 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -177,7 +177,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
-"checksum bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5753e2a71534719bf3f4e57006c3a4f0d2c672a4b676eec84161f763eca87dbf"
+"checksum bincode 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f30d3a39baa26f9651f17b375061f3233dde33424a8b72b0dbe93a68a0bc896d"
 "checksum bitflags 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1b2bf7093258c32e0825b635948de528a5949799dcd61bef39534c8aab95870c"
 "checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
diff --git a/Cargo.toml b/Cargo.toml
index e7bab06..33bbe07 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 authors = ["Don Smith <don@antiantonym.com>"]
 
 [dependencies]
-bincode = "1.2.1"
+bincode = "1.3.1"
 rust-crypto = "^0.2"
 serde = "1.0.104"
 serde_derive = "1.0.104"