diff --git a/Cargo.lock b/Cargo.lock
index 1dd7ae66..576ee83c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -394,9 +394,9 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "hex-literal"
-version = "0.4.1"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+checksum = "bcaaec4551594c969335c98c903c1397853d4198408ea609190f420500f6be71"
 
 [[package]]
 name = "hmac"
diff --git a/ssh-cipher/Cargo.toml b/ssh-cipher/Cargo.toml
index cf1cdc97..3d48f626 100644
--- a/ssh-cipher/Cargo.toml
+++ b/ssh-cipher/Cargo.toml
@@ -35,7 +35,7 @@ subtle = { version = "2", optional = true, default-features = false }
 zeroize = { version = "1", optional = true, default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.4"
+hex-literal = "1.0"
 
 [features]
 aes-cbc = ["dep:aes", "dep:cbc"]
diff --git a/ssh-encoding/Cargo.toml b/ssh-encoding/Cargo.toml
index 856a08b5..72103dc7 100644
--- a/ssh-encoding/Cargo.toml
+++ b/ssh-encoding/Cargo.toml
@@ -22,7 +22,7 @@ digest = { version = "=0.11.0-pre.9", optional = true, default-features = false
 pem-rfc7468 = { version = "1.0.0-rc.2", optional = true }
 
 [dev-dependencies]
-hex-literal = "0.4.1"
+hex-literal = "1.0.0"
 
 [features]
 alloc = ["base64ct?/alloc", "pem-rfc7468?/alloc"]
diff --git a/ssh-key/Cargo.toml b/ssh-key/Cargo.toml
index e458730e..b9d14179 100644
--- a/ssh-key/Cargo.toml
+++ b/ssh-key/Cargo.toml
@@ -44,7 +44,7 @@ serde = { version = "1.0.16", optional = true }
 sha1 = { version = "=0.11.0-pre.4", optional = true, default-features = false, features = ["oid"] }
 
 [dev-dependencies]
-hex-literal = "0.4.1"
+hex-literal = "1.0.0"
 rand_chacha = "0.3"
 
 [features]