diff --git a/xous-rs/Cargo.toml b/xous-rs/Cargo.toml
index d14e35cb5..3a85e469f 100644
--- a/xous-rs/Cargo.toml
+++ b/xous-rs/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 description = "System call interface for Xous"
 
 [dependencies]
-bitflags = "1.2.1"
+bitflags = "1"
 xous-macros = { path = "../macros", version = "0.1.0" }
 
 [features]