diff --git a/Cargo.lock b/Cargo.lock
index f9c061a504..6d75fe5f9e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -171,6 +171,11 @@ name = "base64"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "base64"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bech32"
 version = "0.6.0"
@@ -4035,7 +4040,7 @@ dependencies = [
 name = "solana-genesis"
 version = "1.1.0"
 dependencies = [
- "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6174,6 +6179,7 @@ dependencies = [
 "checksum base32 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "23ce669cd6c8588f79e15cf450314f9638f967fc5770ff1c7c1deb0925ea7cfa"
 "checksum base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
 "checksum base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
+"checksum base64 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d5ca2cd0adc3f48f9e9ea5a6bbdf9ccc0bfade884847e484d452414c7ccffb3"
 "checksum base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
 "checksum bech32 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "58946044516aa9dc922182e0d6e9d124a31aafe6b421614654eb27cf90cec09c"
 "checksum bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5753e2a71534719bf3f4e57006c3a4f0d2c672a4b676eec84161f763eca87dbf"
diff --git a/genesis/Cargo.toml b/genesis/Cargo.toml
index ddecc8fc37..7c53bbf79f 100644
--- a/genesis/Cargo.toml
+++ b/genesis/Cargo.toml
@@ -9,7 +9,7 @@ license = "Apache-2.0"
 homepage = "https://solana.com/"
 
 [dependencies]
-base64 = "0.11.0"
+base64 = "0.12.0"
 clap = "2.33.0"
 chrono = "0.4"
 serde = "1.0.104"