diff --git a/core/Cargo.toml b/core/Cargo.toml
index bbd6d6cae..f5be4f6a4 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -27,5 +27,5 @@ uuid = { version = "0.6", features = ["serde", "v4"] }
 log = "0.4"
 chrono = "0.4.4"
 
-grin_keychain = { path = "../keychain" }
-grin_util = { path = "../util" }
+grin_keychain = { path = "../keychain", version = "0.4.2" }
+grin_util = { path = "../util", version = "0.4.2" }