diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index cff34264c..02f4d7634 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -34,16 +34,16 @@ sea-orm-migration = "0.12"
 eyre = "0.6"
 tera = "1.3"
 futures = "0.3"
-opentelemetry = "0.20"
-opentelemetry-http = "0.9.0"
-opentelemetry-jaeger = "0.19.0"
-opentelemetry-prometheus = "0.13.0"
+opentelemetry = "0.21.0"
+opentelemetry-http = "0.10.00"
+opentelemetry-jaeger = "0.20.0"
+opentelemetry-prometheus = "0.14.0"
 utoipa = "3.3.0"
 utoipa-swagger-ui = "*"
 tokio-stream = "0.1.14"
 async-stream = "0.3.5"
 futures-util = { version = "0.3", default-features = true }
-jsonwebtoken = "8"
+jsonwebtoken = "9"
 once_cell = "1"
 parking_lot = "0.12"
 salvo = { path = "../crates/salvo", default-features = true }