diff --git a/Cargo.toml b/Cargo.toml
index 731e8d4b..10d14962 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,8 +35,8 @@ cfg-if = "1.0"
 smallvec = "1.7"
 
 inferno = { version = "0.11", default-features = false, features = ["nameattr"], optional = true }
-prost = { version = "0.11", optional = true }
-prost-derive = { version = "0.11", optional = true }
+prost = { version = "0.12", optional = true }
+prost-derive = { version = "0.12", optional = true }
 protobuf = { version = "2.0", optional = true }
 criterion = {version = "0.5", optional = true}
 
@@ -50,7 +50,7 @@ criterion = "0.5"
 rand = "0.8.0"
 
 [build-dependencies]
-prost-build = { version = "0.11", optional = true }
+prost-build = { version = "0.12", optional = true }
 sha2 = { version = "0.10", optional = true }
 protobuf-codegen-pure = { version = "2.0", optional = true }