diff --git a/Cargo.lock b/Cargo.lock
index c84dad9f..fb658d03 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1724,9 +1724,9 @@ dependencies = [
 
 [[package]]
 name = "der"
-version = "0.7.1"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc906908ea6458456e5eaa160a9c08543ec3d1e6f71e2235cedd660cb65f9df0"
+checksum = "82b10af9f9f9f2134a42d3f8aa74658660f2e0234b0eb81bd171df8aa32779ed"
 dependencies = [
  "const-oid",
  "pem-rfc7468",
diff --git a/crates/keystore/Cargo.toml b/crates/keystore/Cargo.toml
index fb3b207d..9c5c5e57 100644
--- a/crates/keystore/Cargo.toml
+++ b/crates/keystore/Cargo.toml
@@ -9,7 +9,7 @@ license = "Apache-2.0"
 aead = { version = "0.5.1", features = ["std"] }
 const-oid = { version = "0.9.2", features = ["std"] }
 cookie = { version = "0.17.0", features = ["key-expansion", "private"] }
-der = { version = "0.7.1", features = ["std"] }
+der = { version = "0.7.3", features = ["std"] }
 ecdsa = { version = "0.16.1", features = ["std"] }
 elliptic-curve = { version = "0.13.2", features = ["std", "pem", "sec1"] }
 k256 = { version = "0.13.0", features = ["std"] }