diff --git a/Cargo.toml b/Cargo.toml
index 16a9627..3b0a14c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -79,7 +79,7 @@ valuable = { version = "0.1", optional = true, default-features = false }
 zeroize = { version = "1.6", optional = true, default-features = false }
 bytemuck = { version = "1.13.1", optional = true, default-features = false }
 ethereum_ssz = { version = "0.5.3", optional = true, default-features = false }
-der = { version = "0.7", optional = true, default-features = false, features = [
+der = { version = "0.8", optional = true, default-features = false, features = [
     "alloc",
 ] }
 subtle = { version = "2.6.1", optional = true, default-features = false }