diff --git a/Cargo.lock b/Cargo.lock
index 21498b61b388c5..1b5f278ef7b2ca 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4966,7 +4966,7 @@ dependencies = [
  "quinn-proto",
  "quinn-udp",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "reqwest",
  "rustls 0.20.6",
@@ -5065,7 +5065,7 @@ dependencies = [
  "matches",
  "min-max-heap",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "raptorq",
  "rayon",
  "rustc_version 0.4.0",
@@ -5373,7 +5373,7 @@ dependencies = [
  "num-traits",
  "num_cpus",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "regex",
  "rustc_version 0.4.0",
@@ -5476,7 +5476,7 @@ dependencies = [
  "num_enum",
  "prost 0.11.0",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "reed-solomon-erasure",
  "rocksdb",
@@ -6047,7 +6047,7 @@ dependencies = [
  "once_cell",
  "ouroboros",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "regex",
  "rustc_version 0.4.0",
@@ -6162,7 +6162,7 @@ dependencies = [
  "pbkdf2 0.11.0",
  "qstring",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rustc_version 0.4.0",
  "rustversion",
  "serde",
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 97e5aba2751b13..4edda1cb8cef65 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -31,7 +31,7 @@ quinn = "0.8.4"
 quinn-proto = "0.8.4"
 quinn-udp = "0.1.3"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.3"
 reqwest = { version = "0.11.11", default-features = false, features = ["blocking", "brotli", "deflate", "gzip", "rustls-tls", "json"] }
 rustls = { version = "0.20.6", features = ["dangerous_configuration"] }
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 63185dee1ebcc0..6b79d245061e1a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -31,7 +31,7 @@ log = "0.4.17"
 lru = "0.7.7"
 min-max-heap = "1.3.0"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.3"
 serde = "1.0.143"
 serde_derive = "1.0.103"
diff --git a/gossip/Cargo.toml b/gossip/Cargo.toml
index 74e01fcfaefdda..209c08d75c32e7 100644
--- a/gossip/Cargo.toml
+++ b/gossip/Cargo.toml
@@ -22,7 +22,7 @@ lru = "0.7.7"
 matches = "0.1.9"
 num-traits = "0.2"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.3"
 serde = "1.0.143"
 serde_bytes = "0.11"
diff --git a/ledger/Cargo.toml b/ledger/Cargo.toml
index 915bf2038de3c8..136dbeed3fd94e 100644
--- a/ledger/Cargo.toml
+++ b/ledger/Cargo.toml
@@ -28,7 +28,7 @@ num_cpus = "1.13.1"
 num_enum = "0.5.7"
 prost = "0.11.0"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.3"
 reed-solomon-erasure = { version = "5.0.3", features = ["simd-accel"] }
 serde = "1.0.143"
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 7fba4403807c36..e1888b06ac8a3e 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -70,7 +70,7 @@ name = "solana_runtime"
 assert_matches = "1.5.0"
 ed25519-dalek = "=1.0.1"
 libsecp256k1 = "0.6.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 solana-logger = { path = "../logger", version = "=1.12.0" }
 
 [package.metadata.docs.rs]
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index 8956d98a35e472..c20e522653c089 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -63,7 +63,7 @@ num-traits = "0.2"
 pbkdf2 = { version = "0.11.0", default-features = false }
 qstring = "0.7.2"
 rand = { version = "0.7.0", optional = true }
-rand_chacha = { version = "0.2.2", optional = true }
+rand_chacha = { version = "0.3.1", optional = true }
 rustversion = "1.0.9"
 serde = "1.0.143"
 serde_bytes = "0.11"