diff --git a/Cargo.lock b/Cargo.lock
index 2372ae2..9023e08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -43,9 +43,9 @@ checksum = "11a8c0210fa48ba3ea04ac1e9c6e72ae66009db3b1f1745635d4ff2e58eaadd0"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.17"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+checksum = "8b2a41393f66f16b0823bb79094d54ac5fbd34ab292ddafb9a0456ac9f87d201"
 dependencies = [
  "libc",
 ]
diff --git a/poly1305/Cargo.toml b/poly1305/Cargo.toml
index 3fec41f..00fc0fe 100644
--- a/poly1305/Cargo.toml
+++ b/poly1305/Cargo.toml
@@ -17,7 +17,7 @@ universal-hash = { version = "0.6.0-rc.10", default-features = false }
 zeroize = { version = "1", optional = true, default-features = false }
 
 [target.'cfg(any(target_arch = "x86_64", target_arch = "x86"))'.dependencies]
-cpufeatures = "0.2"
+cpufeatures = "0.3"
 
 [dev-dependencies]
 hex-literal = "1"
diff --git a/polyval/Cargo.toml b/polyval/Cargo.toml
index ce7ab64..5d3119a 100644
--- a/polyval/Cargo.toml
+++ b/polyval/Cargo.toml
@@ -24,7 +24,7 @@ universal-hash = { version = "0.6.0-rc.10", default-features = false }
 zeroize = { version = "1", optional = true, default-features = false }
 
 [target.'cfg(any(target_arch = "aarch64", target_arch = "x86", target_arch = "x86_64"))'.dependencies]
-cpufeatures = "0.2"
+cpufeatures = "0.3"
 
 [dev-dependencies]
 hex-literal = "1"