diff --git a/Cargo.lock b/Cargo.lock
index d3c431b0..aabe9471 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -57,9 +57,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "cpufeatures"
-version = "0.1.5"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66c99696f6c9dd7f35d486b9d04d7e6e202aa3e8c40d553f2fdf5e7e0c6a71ef"
+checksum = "95059428f66df56b63431fdb4e1947ed2190586af5c5a8a8b71122bdf5a7f469"
 dependencies = [
  "libc",
 ]
@@ -161,9 +161,9 @@ checksum = "67c21572b4949434e4fc1e1978b99c5f77064153c59d998bf13ecd96fb5ecba7"
 
 [[package]]
 name = "libc"
-version = "0.2.98"
+version = "0.2.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "320cfe77175da3a483efed4bc0adc1968ca050b098ce4f2f1c13a56626128790"
+checksum = "3cb00336871be5ed2c8ed44b60ae9959dc5b9f08539422ed43f09e34ecaeba21"
 
 [[package]]
 name = "md-5"
diff --git a/sha1/Cargo.toml b/sha1/Cargo.toml
index c2fda9a9..25fcdafe 100644
--- a/sha1/Cargo.toml
+++ b/sha1/Cargo.toml
@@ -22,7 +22,7 @@ cfg-if = "1.0"
 sha1-asm = { version = "0.5", optional = true }
 
 [target.'cfg(any(target_arch = "aarch64", target_arch = "x86", target_arch = "x86_64"))'.dependencies]
-cpufeatures = "0.1.5"
+cpufeatures = "0.2.1"
 
 [dev-dependencies]
 digest = { version = "0.9", features = ["dev"] }
diff --git a/sha2/Cargo.toml b/sha2/Cargo.toml
index 09abc3ab..b7c81834 100644
--- a/sha2/Cargo.toml
+++ b/sha2/Cargo.toml
@@ -22,7 +22,7 @@ cfg-if = "1.0"
 sha2-asm = { version = "0.6.1", optional = true }
 
 [target.'cfg(any(target_arch = "aarch64", target_arch = "x86_64", target_arch = "x86"))'.dependencies]
-cpufeatures = "0.1.5"
+cpufeatures = "0.2.1"
 
 [dev-dependencies]
 digest = { version = "0.9", features = ["dev"] }