diff --git a/Cargo.lock b/Cargo.lock
index dbf984e..cf53c44 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -53,9 +53,9 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.6"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
  "crypto-common",
diff --git a/concat-kdf/Cargo.toml b/concat-kdf/Cargo.toml
index 05dfffe..f4c7474 100644
--- a/concat-kdf/Cargo.toml
+++ b/concat-kdf/Cargo.toml
@@ -12,7 +12,7 @@ keywords = ["crypto", "concat-kdf", "KDF", "NIST"]
 categories = ["cryptography", "no-std"]
 
 [dependencies]
-digest = "0.10.1"
+digest = "0.10.7"
 
 [dev-dependencies]
 hex-literal = "0.3.4"