diff --git a/server/packages/sandbox-agent/Cargo.toml b/server/packages/sandbox-agent/Cargo.toml
index 703c87c..850f4b6 100644
--- a/server/packages/sandbox-agent/Cargo.toml
+++ b/server/packages/sandbox-agent/Cargo.toml
@@ -42,7 +42,7 @@ tempfile = { workspace = true, optional = true }
 libc = "0.2"
 
 [target.'cfg(windows)'.dependencies]
-windows = { version = "0.52", features = ["Win32_Foundation", "Win32_Security", "Win32_Storage_FileSystem", "Win32_System_Console"] }
+windows = { version = "0.52", features = ["Win32_Foundation", "Win32_Security", "Win32_Storage_FileSystem", "Win32_System_Console", "Win32_System_Threading"] }
 
 [dev-dependencies]
 http-body-util.workspace = true