diff --git a/Cargo.lock b/Cargo.lock
index 74d2a0d4..e2aaaea2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1061,9 +1061,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "sec1"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0aec48e813d6b90b15f0b8948af3c63483992dee44c03e9930b3eebdabe046e"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
 dependencies = [
  "base16ct",
  "der",
diff --git a/p192/Cargo.toml b/p192/Cargo.toml
index 45d43cc6..892db7fd 100644
--- a/p192/Cargo.toml
+++ b/p192/Cargo.toml
@@ -17,7 +17,7 @@ rust-version = "1.65"
 
 [dependencies]
 elliptic-curve = { version = "0.13", default-features = false, features = ["hazmat", "sec1"] }
-sec1 = { version = "0.7.2", default-features = false }
+sec1 = { version = "0.7.3", default-features = false }
 
 # optional dependencies
 ecdsa-core = { version = "0.16.6", package = "ecdsa", optional = true, default-features = false, features = ["der"] }