diff --git a/Cargo.lock b/Cargo.lock
index 1c86f036..c04181fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -537,7 +537,7 @@ dependencies = [
  "hex",
  "hmac 0.11.0",
  "pbkdf2 0.8.0",
- "rand 0.8.4",
+ "rand 0.8.5",
  "sha2 0.9.9",
  "thiserror",
 ]
@@ -1073,7 +1073,7 @@ dependencies = [
  "hex",
  "hmac 0.12.0",
  "pbkdf2 0.10.0",
- "rand 0.8.4",
+ "rand 0.8.5",
  "scrypt",
  "serde",
  "serde_json",
@@ -1141,7 +1141,7 @@ dependencies = [
  "ethers-solc",
  "eyre",
  "hex",
- "rand 0.8.4",
+ "rand 0.8.5",
  "serde",
  "serde_json",
  "tokio",
@@ -1235,7 +1235,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "rand 0.8.4",
+ "rand 0.8.5",
  "rlp",
  "rlp-derive",
  "serde",
@@ -1292,7 +1292,7 @@ dependencies = [
  "hex",
  "instant",
  "once_cell",
- "rand 0.8.4",
+ "rand 0.8.5",
  "reqwest",
  "serde",
  "serde_json",
@@ -1356,7 +1356,7 @@ dependencies = [
  "futures-util",
  "hex",
  "home",
- "rand 0.8.4",
+ "rand 0.8.5",
  "rusoto_core",
  "rusoto_kms",
  "semver",
@@ -1392,7 +1392,7 @@ dependencies = [
  "num_cpus",
  "once_cell",
  "pretty_assertions",
- "rand 0.8.4",
+ "rand 0.8.5",
  "rayon",
  "regex",
  "semver",
@@ -1469,7 +1469,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cfcf0ed7fe52a17a03854ec54a9f76d6d84508d1c0e66bc1793301c73fc8493c"
 dependencies = [
  "byteorder",
- "rand 0.8.4",
+ "rand 0.8.5",
  "rustc-hex",
  "static_assertions",
 ]
@@ -2531,7 +2531,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d5285893bb5eb82e6aaf5d59ee909a06a16737a8970984dd7746ba9283498d6"
 dependencies = [
  "phf_shared 0.10.0",
- "rand 0.8.4",
+ "rand 0.8.5",
 ]
 
 [[package]]
@@ -2772,19 +2772,18 @@ dependencies = [
  "libc",
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
- "rand_hc 0.2.0",
+ "rand_hc",
 ]
 
 [[package]]
 name = "rand"
-version = "0.8.4"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha 0.3.1",
  "rand_core 0.6.3",
- "rand_hc 0.3.1",
 ]
 
 [[package]]
@@ -2834,15 +2833,6 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
-dependencies = [
- "rand_core 0.6.3",
-]
-
 [[package]]
 name = "rayon"
 version = "1.5.1"
@@ -3594,7 +3584,7 @@ dependencies = [
  "indicatif",
  "itertools",
  "once_cell",
- "rand 0.8.4",
+ "rand 0.8.5",
  "reqwest",
  "semver",
  "serde",
@@ -3987,7 +3977,7 @@ dependencies = [
  "httparse",
  "log",
  "native-tls",
- "rand 0.8.4",
+ "rand 0.8.5",
  "rustls",
  "sha-1",
  "thiserror",
diff --git a/Cargo.toml b/Cargo.toml
index 48933976..dfcdecec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -98,7 +98,7 @@ ethers-providers = { version = "^0.6.0", default-features = false, path = "./eth
 [target.'cfg(target_family = "unix")'.dev-dependencies]
 ethers-providers = { version = "^0.6.0", default-features = false, path = "./ethers-providers", features = ["ws", "ipc"] }
 eyre = "0.6.6"
-rand = "0.8.4"
+rand = "0.8.5"
 serde = { version = "1.0.124", features = ["derive"] }
 serde_json = "1.0.64"
 tokio = { version = "1.5", features = ["macros", "rt-multi-thread"] }
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index 788ffe0a..9ba2a5a8 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -20,7 +20,7 @@ ecdsa = { version = "0.13.4", default-features = false, features = ["std"] }
 elliptic-curve = { version = "0.11.12", default-features = false }
 generic-array = { version = "0.14.5", default-features = false }
 k256 = { version = "0.10.2", default-features = false, features = ["keccak256", "ecdsa"] }
-rand = { version = "0.8.4", default-features = false }
+rand = { version = "0.8.5", default-features = false }
 tiny-keccak = { version = "2.0.2", default-features = false }
 
 # misc
@@ -51,7 +51,7 @@ bincode = { version = "1.3.3", default-features = false }
 once_cell = { version = "1.8.0" }
 hex-literal = "0.3.4"
 futures-util = { version = "^0.3" }
-rand = "0.8.4"
+rand = "0.8.5"
 
 [features]
 celo = ["legacy"] # celo support extends the transaction format with extra fields
diff --git a/ethers-middleware/Cargo.toml b/ethers-middleware/Cargo.toml
index 283633dc..4c77dec9 100644
--- a/ethers-middleware/Cargo.toml
+++ b/ethers-middleware/Cargo.toml
@@ -39,7 +39,7 @@ tokio = { version = "1.5" }
 
 [dev-dependencies]
 hex = { version = "0.4.3", default-features = false, features = ["std"] }
-rand = { version = "0.8.4", default-features = false }
+rand = { version = "0.8.5", default-features = false }
 ethers-providers = { version = "^0.6.0", path = "../ethers-providers", default-features = false, features = ["ws", "rustls"] }
 once_cell = "1.8.0"
 ethers-solc = { version = "^0.2.0", path = "../ethers-solc", default-features = false }
diff --git a/ethers-signers/Cargo.toml b/ethers-signers/Cargo.toml
index 5c35a064..b9c0374c 100644
--- a/ethers-signers/Cargo.toml
+++ b/ethers-signers/Cargo.toml
@@ -23,7 +23,7 @@ hex = { version = "0.4.3", default-features = false, features = ["std"] }
 async-trait = { version = "0.1.50", default-features = false }
 elliptic-curve = { version = "0.11.12", default-features = false }
 sha2 = { version = "0.9.8", default-features = false }
-rand = { version = "0.8.4", default-features = false }
+rand = { version = "0.8.5", default-features = false }
 yubihsm = { version = "0.40.0", features = ["secp256k1", "http", "usb"], optional = true }
 futures-util = "^0.3"
 futures-executor = "^0.3"
diff --git a/ethers-solc/Cargo.toml b/ethers-solc/Cargo.toml
index 2425d0ae..0892d28b 100644
--- a/ethers-solc/Cargo.toml
+++ b/ethers-solc/Cargo.toml
@@ -52,7 +52,7 @@ getrandom = { version = "0.2", features = ["js"] }
 criterion = { version = "0.3", features = ["async_tokio"] }
 env_logger = "*"
 tracing-subscriber = {version = "0.3", default-features = false, features = ["env-filter", "fmt"]}
-rand = "0.8.4"
+rand = "0.8.5"
 pretty_assertions = "1.1.0"
 tempfile = "3.3.0"
 tokio = { version = "1.15.0", features = ["full"] }