diff --git a/windows-ctl/Cargo.toml b/windows-ctl/Cargo.toml
index 411a6bb..314ce19 100644
--- a/windows-ctl/Cargo.toml
+++ b/windows-ctl/Cargo.toml
@@ -8,7 +8,7 @@ version = "0.1.2"
 edition = "2021"
 
 [dependencies]
-der = { version = "0.7.1", features = ["std", "derive", "oid"] }
+der = { version = "0.8.0", features = ["std", "derive", "oid"] }
 hex = { version = "0.4", optional = true }
 itertools = "0.14"
 thiserror = "2.0"