diff --git a/Cargo.lock b/Cargo.lock
index b7e61976..39446970 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -330,9 +330,9 @@ dependencies = [
 
 [[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 = "hybrid-array"
diff --git a/aes-gcm/Cargo.toml b/aes-gcm/Cargo.toml
index cb68ec6b..2e994e73 100644
--- a/aes-gcm/Cargo.toml
+++ b/aes-gcm/Cargo.toml
@@ -27,7 +27,7 @@ zeroize = { version = "1", optional = true, default-features = false }
 
 [dev-dependencies]
 aead = { version = "0.6.0-rc.0", features = ["dev"], default-features = false }
-hex-literal = "0.4"
+hex-literal = "1.0"
 
 [features]
 default = ["aes", "alloc", "getrandom"]
diff --git a/aes-siv/Cargo.toml b/aes-siv/Cargo.toml
index f112076e..f427fe8f 100644
--- a/aes-siv/Cargo.toml
+++ b/aes-siv/Cargo.toml
@@ -31,7 +31,7 @@ pmac = { version = "0.8.0-pre.2", optional = true }
 
 [dev-dependencies]
 blobby = "0.3"
-hex-literal = "0.4"
+hex-literal = "1.0"
 
 [features]
 default = ["alloc", "getrandom"]
diff --git a/ascon-aead/Cargo.toml b/ascon-aead/Cargo.toml
index ae8b337b..93d047d6 100644
--- a/ascon-aead/Cargo.toml
+++ b/ascon-aead/Cargo.toml
@@ -21,7 +21,7 @@ zeroize = { version = "1.6", optional = true, default-features = false, features
 ascon = "0.4"
 
 [dev-dependencies]
-hex-literal = "0.4"
+hex-literal = "1.0"
 aead = { version = "0.6.0-rc.0", features = ["alloc"] }
 
 [features]
diff --git a/ccm/Cargo.toml b/ccm/Cargo.toml
index 9763bf33..9dfa2b1d 100644
--- a/ccm/Cargo.toml
+++ b/ccm/Cargo.toml
@@ -22,7 +22,7 @@ subtle = { version = "2", default-features = false }
 [dev-dependencies]
 aead = { version = "0.6.0-rc.0", features = ["dev"], default-features = false }
 aes = { version = "=0.9.0-pre.2" }
-hex-literal = "0.4.1"
+hex-literal = "1.0.0"
 
 [features]
 default = ["alloc", "getrandom"]
diff --git a/deoxys/Cargo.toml b/deoxys/Cargo.toml
index b2cd6c9d..c88da381 100644
--- a/deoxys/Cargo.toml
+++ b/deoxys/Cargo.toml
@@ -25,7 +25,7 @@ zeroize = { version = "1", optional = true, default-features = false }
 
 [dev-dependencies]
 aead = { version = "0.6.0-rc.0", features = ["dev"], default-features = false }
-hex-literal = "0.4"
+hex-literal = "1.0"
 
 [features]
 default = ["alloc", "getrandom"]
diff --git a/ocb3/Cargo.toml b/ocb3/Cargo.toml
index 3a9b4eeb..87b9cf3a 100644
--- a/ocb3/Cargo.toml
+++ b/ocb3/Cargo.toml
@@ -26,7 +26,7 @@ zeroize = { version = "1", optional = true, default-features = false }
 [dev-dependencies]
 aead = { version = "0.6.0-rc.0", features = ["dev"], default-features = false }
 aes = { version = "=0.9.0-pre.2", default-features = false }
-hex-literal = "0.4"
+hex-literal = "1.0"
 
 [features]
 default = ["alloc", "getrandom"]
diff --git a/xaes-256-gcm/Cargo.toml b/xaes-256-gcm/Cargo.toml
index ecd0db3f..2c26d6a3 100644
--- a/xaes-256-gcm/Cargo.toml
+++ b/xaes-256-gcm/Cargo.toml
@@ -23,7 +23,7 @@ cipher = "=0.5.0-pre.7"
 
 [dev-dependencies]
 aead = { version = "0.6.0-rc.0", features = ["dev"], default-features = false }
-hex-literal = "0.4"
+hex-literal = "1.0"
 
 [features]
 default = ["alloc", "getrandom"]