diff --git a/crates/buzz-acp-node-launcher/Cargo.toml b/crates/buzz-acp-node-launcher/Cargo.toml
index f6c00e08a..831a1dcb5 100644
--- a/crates/buzz-acp-node-launcher/Cargo.toml
+++ b/crates/buzz-acp-node-launcher/Cargo.toml
@@ -15,7 +15,11 @@ serde      = { workspace = true }
 serde_json = { workspace = true }
 
 [target.'cfg(windows)'.dependencies]
-windows-sys = { version = "0.61", features = ["Win32_Foundation", "Win32_System_JobObjects"] }
+# Win32_System_JobObjects alone is not enough: CreateJobObjectW is gated on
+# Win32_Security (its SECURITY_ATTRIBUTES parameter) and the JOBOBJECT_*
+# limit structs on Win32_System_Threading. Same set as buzz-dev-mcp's
+# KillGroup, minus its registry lookup.
+windows-sys = { version = "0.61", features = ["Win32_Foundation", "Win32_Security", "Win32_System_JobObjects", "Win32_System_Threading"] }
 
 [dev-dependencies]
 tempfile = "3"