diff --git a/Cargo.lock b/Cargo.lock
index 80b9b6bca3ffed..e8ad36744f171b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4588,7 +4588,7 @@ dependencies = [
  "quinn",
  "quinn-proto",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "reqwest",
  "rustls",
@@ -4683,7 +4683,7 @@ dependencies = [
  "lru",
  "matches",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "raptorq",
  "rayon",
  "reqwest",
@@ -4960,7 +4960,7 @@ dependencies = [
  "num-traits",
  "num_cpus",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "rustc_version 0.4.0",
  "serde",
@@ -5061,7 +5061,7 @@ dependencies = [
  "num_cpus",
  "prost",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "reed-solomon-erasure",
  "rocksdb",
@@ -5608,7 +5608,7 @@ dependencies = [
  "num_cpus",
  "ouroboros",
  "rand 0.7.3",
- "rand_chacha 0.2.2",
+ "rand_chacha 0.3.1",
  "rayon",
  "regex",
  "rustc_version 0.4.0",
@@ -5720,7 +5720,7 @@ dependencies = [
  "pbkdf2 0.10.1",
  "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 7dc255af9d7071..ab63774bbebacb 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -29,7 +29,7 @@ lru = "0.7.5"
 quinn = "0.8.2"
 quinn-proto = "0.8.0"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.2"
 reqwest = { version = "0.11.10", default-features = false, features = ["blocking", "rustls-tls", "json"] }
 rustls = { version = "0.20.2", features = ["dangerous_configuration"] }
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 2ae3f6c50d0ba2..7926cba739de92 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -28,7 +28,7 @@ itertools = "0.10.3"
 log = "0.4.14"
 lru = "0.7.5"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.2"
 retain_mut = "0.1.7"
 serde = "1.0.136"
diff --git a/gossip/Cargo.toml b/gossip/Cargo.toml
index b0962777310271..baa1efbf31154e 100644
--- a/gossip/Cargo.toml
+++ b/gossip/Cargo.toml
@@ -22,7 +22,7 @@ lru = "0.7.5"
 matches = "0.1.9"
 num-traits = "0.2"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.2"
 serde = "1.0.136"
 serde_bytes = "0.11"
diff --git a/ledger/Cargo.toml b/ledger/Cargo.toml
index 391323442738ba..8778f93e48f945 100644
--- a/ledger/Cargo.toml
+++ b/ledger/Cargo.toml
@@ -28,7 +28,7 @@ num-traits = "0.2"
 num_cpus = "1.13.1"
 prost = "0.10.0"
 rand = "0.7.0"
-rand_chacha = "0.2.2"
+rand_chacha = "0.3.1"
 rayon = "1.5.2"
 reed-solomon-erasure = { version = "5.0.1", features = ["simd-accel"] }
 serde = "1.0.136"
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index e32f82fbf6bd85..3ec7dfcc4a0a68 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -66,7 +66,7 @@ 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 = "=1.11.0" }
 
 [package.metadata.docs.rs]
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index 5bd3783d709eaa..04f13b1705ed28 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -63,7 +63,7 @@ num-traits = "0.2"
 pbkdf2 = { version = "0.10.1", 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 = "1.0.6"
 serde = "1.0.136"
 serde_bytes = "0.11"