diff --git a/Cargo.toml b/Cargo.toml
index 8ba61312b..9afbb6822 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,6 +40,7 @@ codecov = { repository = "loomprotocol/silk", branch = "master", service = "gith
 
 [features]
 unstable = []
+ipv6 = []
 asm = ["sha2-asm"]
 
 [dependencies]