diff --git a/Cargo.lock b/Cargo.lock
index 6881cc4308..464a7411a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,7 +37,7 @@ name = "ar"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -120,7 +120,7 @@ name = "base64"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -129,7 +129,7 @@ name = "base64"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -137,7 +137,7 @@ name = "bincode"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -201,7 +201,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-padding 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -252,7 +252,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.2.7"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -260,7 +260,7 @@ name = "bytes"
 version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -342,7 +342,7 @@ version = "2.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ascii 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -505,7 +505,7 @@ dependencies = [
  "bit-vec 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bloom 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "colored 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "enum-primitive-derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -696,7 +696,7 @@ name = "h2"
 version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -713,7 +713,7 @@ name = "hashbrown"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -920,7 +920,7 @@ version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc32fast 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1851,7 +1851,7 @@ dependencies = [
  "bincode 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bv 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashbrown 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1920,7 +1920,7 @@ name = "solana-bpfloader"
 version = "0.12.0"
 dependencies = [
  "bincode 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "elf 0.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1949,7 +1949,7 @@ name = "solana-drone"
 version = "0.12.0"
 dependencies = [
  "bincode 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2287,7 +2287,7 @@ name = "solana-ws"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2304,7 +2304,7 @@ name = "solana_rbpf"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "combine 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "elfkit 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2835,7 +2835,7 @@ dependencies = [
 "checksum byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
 "checksum byte-tools 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "980479e6fde23246dfb54d47580d66b4e99202e7579c5eaa9fe10ecb5ebd2182"
 "checksum byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0fc10e8cc6b2580fda3f36eb6dc5316657f812a3df879a44a66fc9f0fdbc4855"
-"checksum byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "94f88df23a25417badc922ab0f5716cc1330e87f71ddd9203b3a3ccd9cedf75d"
+"checksum byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60f0b0d4c0a382d2734228fd12b5a6b5dac185c60e938026fd31b265b94f9bd2"
 "checksum bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "40ade3d27603c2cb345eb0912aec461a6dec7e06a4ae48589904e808335c7afa"
 "checksum cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4a8b715cb4597106ea87c7c84b2f1d452c7492033765df7f32651e66fcf749"
 "checksum cexpr 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8fc0086be9ca82f7fc89fc873435531cb898b86e850005850de1f820e2db6e9b"
diff --git a/Cargo.toml b/Cargo.toml
index 48bd62bb9d..3853445395 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ unstable = []
 bincode = "1.0.0"
 bs58 = "0.2.0"
 bv = { version = "0.11.0", features = ["serde"] }
-byteorder = "1.2.1"
+byteorder = "1.3.0"
 chrono = { version = "0.4.0", features = ["serde"] }
 fnv = "1.0.6"
 hashbrown = "0.1.8"
diff --git a/drone/Cargo.toml b/drone/Cargo.toml
index 3e5e8122a3..f8f354897f 100644
--- a/drone/Cargo.toml
+++ b/drone/Cargo.toml
@@ -14,7 +14,7 @@ cuda = []
 [dependencies]
 bincode = "1.0.0"
 bytes = "0.4"
-byteorder = "1.2.1"
+byteorder = "1.3.0"
 clap = "2.31"
 log = "0.4.2"
 serde = "1.0.85"
diff --git a/programs/native/bpf_loader/Cargo.toml b/programs/native/bpf_loader/Cargo.toml
index 12cbcc3d55..b534990a8a 100644
--- a/programs/native/bpf_loader/Cargo.toml
+++ b/programs/native/bpf_loader/Cargo.toml
@@ -14,7 +14,7 @@ bpf_rust = []
 
 [dependencies]
 bincode = "1.0.0"
-byteorder = "1.2.1"
+byteorder = "1.3.0"
 elf = "0.0.10"
 libc = "0.2.47"
 log = "0.4.2"