diff --git a/Cargo.lock b/Cargo.lock
index fd12f2fa7..b25a316a5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1828,9 +1828,9 @@ dependencies = [
 
 [[package]]
 name = "openssl-kdf"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a1fa996d05b13619516a4a4a76da9d0c1ffd60b1d1f3f3523f0bd5d27c12f27"
+checksum = "feda4b74ded511c6d8543db00166f70f572ca7e5eb72f4817bf08628b5bbc1f4"
 dependencies = [
  "foreign-types",
  "libc",
diff --git a/data-formats/Cargo.toml b/data-formats/Cargo.toml
index fdce99210..686f7974b 100644
--- a/data-formats/Cargo.toml
+++ b/data-formats/Cargo.toml
@@ -28,14 +28,14 @@ byteorder = "1"
 
 http = "0.2"
 
-openssl-kdf = { version = "0.4.1", features = ["allow_custom"] }
+openssl-kdf = { version = "0.4.2", features = ["allow_custom"] }
 
 [features]
 # Whether to use a non-interoperable KDF.
 use_noninteroperable_kdf = []
 
 [build-dependencies]
-openssl-kdf = { version = "0.4.1", features = ["allow_custom"] }
+openssl-kdf = { version = "0.4.2", features = ["allow_custom"] }
 
 [dev-dependencies]
 maplit = "1.0"