diff --git a/datafusion/proto/gen/Cargo.toml b/datafusion/proto/gen/Cargo.toml
index 01e7bb9871a4..1178beead74b 100644
--- a/datafusion/proto/gen/Cargo.toml
+++ b/datafusion/proto/gen/Cargo.toml
@@ -32,4 +32,4 @@ publish = false
 [dependencies]
 # Pin these dependencies so that the generated output is deterministic
 pbjson-build = { version = "=0.5.1" }
-prost-build = { version = "=0.11.9" }
+prost-build = { version = "=0.12.1" }