diff --git a/Cargo.lock b/Cargo.lock
index e61f987d..3d94ade6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -367,6 +367,6 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.7.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
diff --git a/sha1-checked/Cargo.toml b/sha1-checked/Cargo.toml
index 4bd320f4..c9151d78 100644
--- a/sha1-checked/Cargo.toml
+++ b/sha1-checked/Cargo.toml
@@ -20,7 +20,7 @@ exclude = [
 [dependencies]
 digest = "=0.11.0-pre.8"
 sha1 = { version = "=0.11.0-pre.3", default-features = false }
-zeroize = { version = "1.7", default-features = false, optional = true }
+zeroize = { version = "1.8", default-features = false, optional = true }
 
 [dev-dependencies]
 digest = { version = "=0.11.0-pre.8", features = ["dev"] }