diff --git a/fil_actor_interface/src/builtin/miner/mod.rs b/fil_actor_interface/src/builtin/miner/mod.rs
index 8ae092c1..07aea2fa 100644
--- a/fil_actor_interface/src/builtin/miner/mod.rs
+++ b/fil_actor_interface/src/builtin/miner/mod.rs
@@ -290,7 +290,7 @@ impl State {
 }
 
 /// Static information about miner
-#[derive(Debug, PartialEq, Serialize)]
+#[derive(Clone, Debug, PartialEq, Serialize)]
 #[serde(rename_all = "PascalCase")]
 pub struct MinerInfo {
     pub owner: Address,
diff --git a/fil_actors_shared/Cargo.toml b/fil_actors_shared/Cargo.toml
index 269978b6..5953823f 100644
--- a/fil_actors_shared/Cargo.toml
+++ b/fil_actors_shared/Cargo.toml
@@ -40,6 +40,7 @@ unsigned-varint = { workspace = true }
 
 [features]
 default = []
+json = ["fvm_ipld_bitfield/json"]
 arb = ["quickcheck"]
 
 [package.metadata.cargo-udeps.ignore]
diff --git a/forest b/forest
index 7b4eef07..8d6a84c5 160000
--- a/forest
+++ b/forest
@@ -1 +1 @@
-Subproject commit 7b4eef0733352effc10b72066b690f0b84f14744
+Subproject commit 8d6a84c5cc655352bdc34721f6b238bf93b211e9