diff --git a/Cargo.lock b/Cargo.lock
index 955b765c73..fe610bcd92 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1008,9 +1008,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "2.1.0"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d85653f070353a16313d0046f173f70d1aadd5b42600a14de626f0dfb3473a5"
+checksum = "434e1720189a637d44fe464f4df1e6eb900b4835255b14354497c78af37d9bb8"
 dependencies = [
  "byteorder",
  "digest 0.8.1",
@@ -4601,7 +4601,7 @@ dependencies = [
  "backtrace",
  "bytes 0.4.12",
  "cc",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "ed25519-dalek",
  "either",
  "lazy_static",
@@ -5149,7 +5149,7 @@ name = "solana-perf"
 version = "1.8.0"
 dependencies = [
  "bincode",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "dlopen",
  "dlopen_derive",
  "lazy_static",
@@ -5214,7 +5214,7 @@ dependencies = [
  "borsh-derive 0.8.2",
  "bs58 0.3.1",
  "bv",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 2.1.2",
  "hex",
  "itertools 0.9.0",
  "lazy_static",
@@ -5247,7 +5247,7 @@ dependencies = [
  "borsh-derive 0.9.0",
  "bs58 0.4.0",
  "bv",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "hex",
  "itertools 0.10.1",
  "lazy_static",
@@ -5439,7 +5439,7 @@ dependencies = [
  "bv",
  "byteorder",
  "chrono",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "derivation-path",
  "digest 0.9.0",
  "ed25519-dalek",
diff --git a/crate-features/Cargo.toml b/crate-features/Cargo.toml
index 555d383275..8193bb9571 100644
--- a/crate-features/Cargo.toml
+++ b/crate-features/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 backtrace = { version = "0.3.33", features = ["serialize-serde"] }
 bytes = { version = "0.4.12", features = ["either"] }
 cc = { version = "1.0.67", features = ["jobserver", "parallel"]}
-curve25519-dalek = { version = "2" }
+curve25519-dalek = { version = "3" }
 either= { version = "1.5.2" }
 lazy_static = { version = "1.4.0", features = ["spin", "spin_no_std"] }
 libc = { version = "0.2.62", features = ["extra_traits"] }
diff --git a/perf/Cargo.toml b/perf/Cargo.toml
index ebc335660c..09466e1a8b 100644
--- a/perf/Cargo.toml
+++ b/perf/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 
 [dependencies]
 bincode = "1.3.3"
-curve25519-dalek = { version = "2" }
+curve25519-dalek = { version = "3" }
 dlopen = "0.1.8"
 dlopen_derive = "0.1.4"
 lazy_static = "1.4.0"
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index 21c5e7b946..23bd10e323 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -3164,7 +3164,7 @@ dependencies = [
  "backtrace",
  "bytes 0.4.12",
  "cc",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "ed25519-dalek",
  "either",
  "lazy_static",
@@ -3366,7 +3366,7 @@ dependencies = [
  "borsh-derive 0.9.0",
  "bs58 0.4.0",
  "bv",
- "curve25519-dalek 2.1.0",
+ "curve25519-dalek 3.0.0",
  "hex",
  "itertools 0.10.1",
  "lazy_static",
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index 3b2e3d6618..55178a9a2d 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -44,7 +44,7 @@ bs58 = "0.4.0"
 bv = { version = "0.11.1", features = ["serde"] }
 byteorder = { version = "1.3.4", optional = true }
 chrono = { version = "0.4", optional = true }
-curve25519-dalek = { version = "2.1.0", optional = true }
+curve25519-dalek = { version = "3.0.0", optional = true }
 derivation-path = { version = "0.1.3", default-features = false }
 digest = { version = "0.9.0", optional = true }
 ed25519-dalek = { version = "=1.0.1", optional = true }
@@ -81,7 +81,7 @@ thiserror = "1.0"
 uriparse = "0.6.3"
 
 [dev-dependencies]
-curve25519-dalek = "2.1.0"
+curve25519-dalek = "3.0.0"
 tiny-bip39 = "0.7.0"
 
 [build-dependencies]
diff --git a/sdk/program/Cargo.toml b/sdk/program/Cargo.toml
index caf7a7e569..f0eb9496a6 100644
--- a/sdk/program/Cargo.toml
+++ b/sdk/program/Cargo.toml
@@ -35,7 +35,7 @@ solana-sdk-macro = { path = "../macro", version = "=1.8.0" }
 thiserror = "1.0"
 
 [target.'cfg(not(target_arch = "bpf"))'.dependencies]
-curve25519-dalek = "2.1.0"
+curve25519-dalek = "3.0.0"
 rand = "0.7.0"
 solana-logger = { path = "../../logger", version = "=1.8.0" }