diff --git a/chain-network/Cargo.toml b/chain-network/Cargo.toml
index 2f93a4ac6..adc22aac0 100644
--- a/chain-network/Cargo.toml
+++ b/chain-network/Cargo.toml
@@ -11,7 +11,7 @@ async-trait = "0.1"
 futures = "0.3"
 http-body = "0.4"
 pin-project = "1.0"
-prost = "0.9"
+prost = "0.11"
 rand_core = "0.6"
 thiserror = "1.0"