diff --git a/Cargo.lock b/Cargo.lock
index 3a6937ced..cb51300ac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1833,6 +1833,7 @@ dependencies = [
  "console",
  "lazy_static",
  "linked-hash-map",
+ "serde",
  "similar",
  "yaml-rust",
 ]
diff --git a/index-scheduler/Cargo.toml b/index-scheduler/Cargo.toml
index 10d152f60..baef2e6ca 100644
--- a/index-scheduler/Cargo.toml
+++ b/index-scheduler/Cargo.toml
@@ -25,5 +25,5 @@ synchronoise = "1.0.1"
 
 [dev-dependencies]
 nelson = { git = "https://github.com/meilisearch/nelson.git", rev = "675f13885548fb415ead8fbb447e9e6d9314000a"}
-insta = "1.19.1"
+insta = { version = "1.19.1", features = ["json"] }
 big_s = "1.0.2"
diff --git a/index-scheduler/src/index_scheduler.rs b/index-scheduler/src/index_scheduler.rs
index a332397ff..9c7f7838f 100644
--- a/index-scheduler/src/index_scheduler.rs
+++ b/index-scheduler/src/index_scheduler.rs
@@ -284,6 +284,7 @@ impl IndexScheduler {
 #[cfg(test)]
 mod tests {
     use big_s::S;
+    use insta::*;
     use uuid::Uuid;
 
     use crate::{assert_smol_debug_snapshot, tests::index_scheduler};