diff --git a/sentinel-core/Cargo.toml b/sentinel-core/Cargo.toml
index 51b1875..faff360 100644
--- a/sentinel-core/Cargo.toml
+++ b/sentinel-core/Cargo.toml
@@ -60,7 +60,7 @@ prometheus_exporter = { version = "0.8.4", optional = true }
 # todo: simplify encapsulation
 # using getset = "0.1.1"
 lru = "0.7.5"
-etcd-rs = { version = "0.6", optional = true }
+etcd-rs = { version = "1.0", optional = true }
 consul = { version = "0.4", optional = true }
 futures = { version = "0.3.17", optional = true }
 base64 = { version = "0.13", optional = true }