diff --git a/Cargo.lock b/Cargo.lock
index a9226967..efc6d825 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -431,6 +431,6 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
+checksum = "63381fa6624bf92130a6b87c0d07380116f80b565c42cf0d754136f0238359ef"
diff --git a/sha1-checked/Cargo.toml b/sha1-checked/Cargo.toml
index afd9bae9..c6ffab2f 100644
--- a/sha1-checked/Cargo.toml
+++ b/sha1-checked/Cargo.toml
@@ -20,7 +20,7 @@ exclude = [
 [dependencies]
 digest = "0.10.7"
 sha1 = { version = "0.10.6", default-features = false, features = ["compress"] }
-zeroize = { version = "1.7", default-features = false, optional = true }
+zeroize = { version = "1.8", default-features = false, optional = true }
 
 [dev-dependencies]
 digest = { version = "0.10.7", features = ["dev"] }