diff --git a/pallas/Cargo.toml b/pallas/Cargo.toml
index 38fc2b2..e5cb4ef 100644
--- a/pallas/Cargo.toml
+++ b/pallas/Cargo.toml
@@ -20,7 +20,7 @@ pallas-crypto = { version = "=0.19.1", path = "../pallas-crypto/" }
 pallas-codec = { version = "=0.19.1", path = "../pallas-codec/" }
 pallas-utxorpc = { version = "=0.19.1", path = "../pallas-utxorpc/" }
 pallas-configs = { version = "=0.19.1", path = "../pallas-configs/" }
-pallas-rolldb = { version = "=0.19.1", path = "../pallas-rolldb/" }
+pallas-rolldb = { version = "=0.19.1", path = "../pallas-rolldb/", optional = true }
 
 [features]
-unstable = []
+unstable = ["pallas-rolldb"]