diff --git a/Cargo.lock b/Cargo.lock
index 117d128..88641ef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1275,6 +1275,7 @@ dependencies = [
  "itertools 0.10.5",
  "log",
  "merge-streams",
+ "regex",
  "solana-account-decoder",
  "solana-logger",
  "solana-sdk",
diff --git a/Cargo.toml b/Cargo.toml
index e465c08..1f8bd06 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,6 +34,7 @@ csv = "1.3.0"
 dashmap = "5.5.3"
 
 tonic-health = "0.10.2"
+regex = "1.10.4"
 
 [dev-dependencies]
 tracing-subscriber = "0.3.16"
diff --git a/examples/stream_token_accounts.rs b/examples/stream_token_accounts.rs
index 77df5e5..531e753 100644
--- a/examples/stream_token_accounts.rs
+++ b/examples/stream_token_accounts.rs
@@ -152,7 +152,7 @@ pub async fn main() {
                 }
             }
             info!("Total owner x mint entries in cache map: {}", total);
-            sleep(Duration::from_millis(50)).await;
+            sleep(Duration::from_millis(1500)).await;
         }
 
     });