diff --git a/crates/topos-metrics/src/lib.rs b/crates/topos-metrics/src/lib.rs
index a0642b28b..174576dd6 100644
--- a/crates/topos-metrics/src/lib.rs
+++ b/crates/topos-metrics/src/lib.rs
@@ -42,13 +42,13 @@ lazy_static! {
     pub static ref STORAGE_PENDING_CERTIFICATE_EXISTANCE_LATENCY: Histogram = register_histogram!(
         "storage_pending_certificate_existance_latency",
         "Latency of the pending certificate existance check.",
-        vec![0.001, 0.005, 0.01, 0.05, 0.1, 0.5]
+        vec![0.0001, 0.0005, 0.001, 0.005, 0.01, 0.05]
     ).unwrap();
 
     pub static ref STORAGE_ADDING_PENDING_CERTIFICATE_LATENCY: Histogram = register_histogram!(
         "storage_adding_pending_certificate_latency",
         "Latency of adding a pending certificate.",
-        vec![0.001, 0.005, 0.01, 0.05, 0.1, 0.5]
+        vec![0.0001, 0.0005, 0.001, 0.005, 0.01, 0.05]
     ).unwrap();
 
     // Double echo