diff --git a/arrow-flight/Cargo.toml b/arrow-flight/Cargo.toml
index 350e49b8a766..8e95d9d9a374 100644
--- a/arrow-flight/Cargo.toml
+++ b/arrow-flight/Cargo.toml
@@ -31,7 +31,7 @@ arrow = { path = "../arrow", version = "9.0.0" }
 base64 = "0.13"
 tonic = "0.6"
 bytes = "1"
-prost = "0.9"
+prost = "0.11"
 prost-derive = "0.9"
 tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread"] }
 
diff --git a/integration-testing/Cargo.toml b/integration-testing/Cargo.toml
index 0196578e0dcb..7f806bf13735 100644
--- a/integration-testing/Cargo.toml
+++ b/integration-testing/Cargo.toml
@@ -37,7 +37,7 @@ async-trait = "0.1.41"
 clap = { version = "3", features = ["derive", "env"] }
 futures = "0.3"
 hex = "0.4"
-prost = "0.9"
+prost = "0.11"
 serde = { version = "1.0", features = ["rc"] }
 serde_derive = "1.0"
 serde_json = { version = "1.0", features = ["preserve_order"] }