diff --git a/src/simulator/crates/mc-core/src/collectibles.rs b/src/simulator/crates/mc-core/src/collectibles.rs
index a4a99297..e0388ccb 100644
--- a/src/simulator/crates/mc-core/src/collectibles.rs
+++ b/src/simulator/crates/mc-core/src/collectibles.rs
@@ -24,7 +24,7 @@ const MIN_ROLL_THRESHOLD: f32 = 0.0;
 const MAX_QUANTITY_PER_ROLL: u32 = 12;
 
 /// One resolved collectible drop from a tile.
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 pub struct CollectibleRoll {
     pub resource_id: String,
     /// Units of the resource yielded on this roll.