diff --git a/json/Cargo.toml b/json/Cargo.toml
index 25f28e1b..3b035979 100644
--- a/json/Cargo.toml
+++ b/json/Cargo.toml
@@ -22,3 +22,6 @@ serde = { version = "1", features = [ "derive" ] }
 serde_json = "1"
 
 bitcoin = { version = "0.26", features = [ "use-serde" ] }
+
+[features]
+rand = [ "bitcoin/rand" ]
\ No newline at end of file