diff --git a/index-scheduler/Cargo.toml b/index-scheduler/Cargo.toml
index 9e7c2ae4b..c4a37b7d6 100644
--- a/index-scheduler/Cargo.toml
+++ b/index-scheduler/Cargo.toml
@@ -22,7 +22,7 @@ log = "0.4.17"
 meilisearch-auth = { path = "../meilisearch-auth" }
 meilisearch-types = { path = "../meilisearch-types" }
 page_size = "0.5.0"
-puffin = "0.16.0"
+puffin = { version = "0.16.0", features = ["serialization"] }
 roaring = { version = "0.10.1", features = ["serde"] }
 serde = { version = "1.0.160", features = ["derive"] }
 serde_json = { version = "1.0.95", features = ["preserve_order"] }