diff --git a/Cargo.lock b/Cargo.lock
index 8bacb80aa..08301362c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1077,15 +1077,16 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.0-pre.4"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21a8a37f4e8b35af971e6db5e3897e7a6344caa3f92f6544f88125a1f5f0035a"
+checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
 dependencies = [
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "ed25519",
  "rand 0.7.3",
  "serde",
- "sha2 0.8.2",
+ "serde_bytes",
+ "sha2 0.9.2",
  "zeroize",
 ]
 
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 0299899af..4fba2bb87 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -23,7 +23,7 @@ byteorder = "1.3.4"
 chrono = { version = "0.4.11", features = ["serde"] }
 core_affinity = "0.5.10"
 crossbeam-channel = "0.4"
-ed25519-dalek = "=1.0.0-pre.4"
+ed25519-dalek = "=1.0.1"
 fs_extra = "1.2.0"
 flate2 = "1.0"
 indexmap = { version = "1.5", features = ["rayon"] }
diff --git a/crate-features/Cargo.toml b/crate-features/Cargo.toml
index ff71672b7..2b34f19ef 100644
--- a/crate-features/Cargo.toml
+++ b/crate-features/Cargo.toml
@@ -20,7 +20,7 @@ rand_chacha = { version = "0.2.2" }
 regex-syntax = { version = "0.6.12" }
 reqwest = { version = "0.10.8", default-features = false, features = ["blocking", "rustls-tls", "json"] }
 serde = { version = "1.0.100", features = ["rc"] }
-ed25519-dalek = { version = "=1.0.0-pre.4", features = ["serde"] }
+ed25519-dalek = { version = "=1.0.1", features = ["serde"] }
 syn_0_15 = { package = "syn", version = "0.15.42", features = ["extra-traits", "fold", "full"] }
 syn_1_0 = { package = "syn", version = "1.0.3", features = ["extra-traits", "fold", "full"] }
 tokio = { version = "0.1.22",features=["bytes", "codec", "default", "fs", "io", "mio", "num_cpus", "reactor", "rt-full", "sync", "tcp", "timer", "tokio-codec", "tokio-current-thread", "tokio-executor", "tokio-io", "tokio-io", "tokio-reactor", "tokio-tcp", "tokio-tcp", "tokio-threadpool", "tokio-timer", "tokio-udp", "tokio-uds", "udp", "uds"] }
diff --git a/ledger/Cargo.toml b/ledger/Cargo.toml
index 80e2db46f..b88b01b63 100644
--- a/ledger/Cargo.toml
+++ b/ledger/Cargo.toml
@@ -16,7 +16,7 @@ chrono-humanize = "0.1.1"
 crossbeam-channel = "0.4"
 dlopen_derive = "0.1.4"
 dlopen = "0.1.8"
-ed25519-dalek = "1.0.0-pre.4"
+ed25519-dalek = "1.0.1"
 fs_extra = "1.2.0"
 futures = "0.3.8"
 futures-util = "0.3.5"
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index cf90afc6c..780cc8a4e 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -724,15 +724,16 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.0-pre.4"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21a8a37f4e8b35af971e6db5e3897e7a6344caa3f92f6544f88125a1f5f0035a"
+checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
 dependencies = [
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "ed25519",
  "rand 0.7.3",
  "serde",
- "sha2 0.8.2",
+ "serde_bytes",
+ "sha2 0.9.2",
  "zeroize",
 ]
 
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index b7af4acf0..f572d4203 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -61,7 +61,7 @@ serde_derive = "1.0.103"
 serde_json = { version = "1.0.56", optional = true }
 sha2 = "0.9.2"
 thiserror = "1.0"
-ed25519-dalek = { version = "=1.0.0-pre.4", optional = true }
+ed25519-dalek = { version = "=1.0.1", optional = true }
 solana-crate-features = { path = "../crate-features", version = "1.6.0", optional = true }
 solana-logger = { path = "../logger", version = "1.6.0", optional = true }
 solana-frozen-abi = { path = "../frozen-abi", version = "1.6.0" }