diff --git a/askar-bbs/Cargo.toml b/askar-bbs/Cargo.toml
index 6b0819e45..99f9fff5f 100644
--- a/askar-bbs/Cargo.toml
+++ b/askar-bbs/Cargo.toml
@@ -33,7 +33,7 @@ subtle = "2.4"
 criterion = "0.3"
 # override transitive dependency from criterion to support rust versions older than 1.60
 csv = "=1.1"
-hex-literal = "0.3"
+hex-literal = "0.4"
 serde-json-core = { version = "0.4", default-features = false, features = ["std"] }
 
 
diff --git a/askar-crypto/Cargo.toml b/askar-crypto/Cargo.toml
index 8c06aadbd..c308eb345 100644
--- a/askar-crypto/Cargo.toml
+++ b/askar-crypto/Cargo.toml
@@ -33,7 +33,7 @@ std_rng = ["getrandom", "rand/std", "rand/std_rng"]
 [dev-dependencies]
 base64 = { version = "0.13", default-features = false, features = ["alloc"] }
 criterion = "0.4"
-hex-literal = "0.3"
+hex-literal = "0.4"
 serde_cbor = "0.11"
 serde-json-core = { version = "0.5", default-features = false, features = ["std"] }