diff --git a/config/config.toml b/config/config.toml
index cfe5f4c..ae92b87 100644
--- a/config/config.toml
+++ b/config/config.toml
@@ -87,7 +87,7 @@ key_store.mapping_key = "RelevantOracleMappingAddress"
 # Wait at least this long before publishing an unchanged price
 # state; unchanged price state means only timestamp has changed
 # with other state identical to last published state.
-# exporter.unchanged_publish_threshold = "5s"
+# exporter.unchanged_publish_threshold = "3s"
 
 # Maximum size of a batch
 # exporter.max_batch_size = 12
diff --git a/src/agent/services/exporter.rs b/src/agent/services/exporter.rs
index 1e6aadd..b65d580 100644
--- a/src/agent/services/exporter.rs
+++ b/src/agent/services/exporter.rs
@@ -46,6 +46,7 @@ pub struct Config {
     /// Wait at least this long before publishing an unchanged price
     /// state; unchanged price state means only timestamp has changed
     /// with other state identical to last published state.
+    #[serde(with = "humantime_serde")]
     pub unchanged_publish_threshold:                     Duration,
     /// Maximum size of a batch
     pub max_batch_size:                                  usize,
@@ -80,7 +81,7 @@ impl Default for Config {
             refresh_network_state_interval_duration:         Duration::from_millis(200),
             publish_interval_duration:                       Duration::from_secs(1),
             staleness_threshold:                             Duration::from_secs(5),
-            unchanged_publish_threshold:                     Duration::from_secs(5),
+            unchanged_publish_threshold:                     Duration::from_secs(3),
             max_batch_size:                                  12,
             inflight_transactions_channel_capacity:          10000,
             transaction_monitor:                             Default::default(),