diff --git a/rust-runtime/aws-smithy-http-server/examples/pokemon-service/Cargo.toml b/rust-runtime/aws-smithy-http-server/examples/pokemon-service/Cargo.toml
index 51f9c6f1a2d70ee5b8371a251115746fd10cb455..06738fcc54d0be58fdec6a33cc726ff36d0433fb 100644
--- a/rust-runtime/aws-smithy-http-server/examples/pokemon-service/Cargo.toml
+++ b/rust-runtime/aws-smithy-http-server/examples/pokemon-service/Cargo.toml
@@ -32,7 +32,7 @@ tokio = "1.20.1"
 tower = "0.4"
 tower-http = { version = "0.3", features = ["trace"] }
 tracing = "0.1"
-tracing-subscriber = { version = "0.3.15", features = ["env-filter"] }
+tracing-subscriber = { version = "0.3.15", features = ["env-filter", "json"] }
 
 # These dependencies are only required for the `pokemon-service-tls` program.
 tls-listener = { version = "0.5.1", features = ["rustls", "hyper-h2"] }
diff --git a/rust-runtime/aws-smithy-http-server/examples/pokemon-service/src/lib.rs b/rust-runtime/aws-smithy-http-server/examples/pokemon-service/src/lib.rs
index acaeb55c0cb25bed5eba24cc33d778efd12fbbf0..a052837b29e94f619493072f3e5af4414e26b57b 100644
--- a/rust-runtime/aws-smithy-http-server/examples/pokemon-service/src/lib.rs
+++ b/rust-runtime/aws-smithy-http-server/examples/pokemon-service/src/lib.rs
@@ -32,7 +32,7 @@ const PIKACHU_JAPANESE_FLAVOR_TEXT: &str =
 
 /// Setup `tracing::subscriber` to read the log level from RUST_LOG environment variable.
 pub fn setup_tracing() {
-    let format = tracing_subscriber::fmt::layer().pretty();
+    let format = tracing_subscriber::fmt::layer().json();
     let filter = EnvFilter::try_from_default_env()
         .or_else(|_| EnvFilter::try_new("info"))
         .unwrap();