diff --git a/Cargo.toml b/Cargo.toml
index 77b9e92..ae06c7a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ rand = { version = "^0.8.5", optional = true }
 sha2 = { version = "0.10.8", features = ["oid"], optional = true }
 rsa = { version = "^0.9.3", features = ["sha2"], optional = true }
 const-oid = { version = "^0.9.5", default-features = false, optional = true }
-der = { version = "^0.7.8", optional = true }
+der = { version = "^0.8.0", optional = true }
 x509 = { version = "^0.2.4", package = "x509-cert", default-features = false, optional = true }
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]