diff --git a/Cargo.lock b/Cargo.lock
index 8a81337..449046a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -169,9 +169,9 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.11.2"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0841812012b2d4a6145fae9a6af1534873c32aa67fff26bd09f8fa42c83f95a"
+checksum = "21dc42e00223fc37204bd4aa177e69420c604ca4a183209a8f9de30c6d934698"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -179,9 +179,9 @@ dependencies = [
 
 [[package]]
 name = "prost-build"
-version = "0.11.1"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f835c582e6bd972ba8347313300219fed5bfa52caf175298d860b61ff6069bb"
+checksum = "a3f8ad728fb08fe212df3c05169e940fbb6d9d16a877ddde14644a983ba2012e"
 dependencies = [
  "bytes",
  "heck",
@@ -190,18 +190,20 @@ dependencies = [
  "log",
  "multimap",
  "petgraph",
+ "prettyplease",
  "prost",
  "prost-types",
  "regex",
+ "syn",
  "tempfile",
  "which",
 ]
 
 [[package]]
 name = "prost-derive"
-version = "0.11.2"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "164ae68b6587001ca506d3bf7f1000bfa248d0e1217b618108fba4ec1d0cc306"
+checksum = "8bda8c0881ea9f722eb9629376db3d0b903b462477c1aafcb0566610ac28ac5d"
 dependencies = [
  "anyhow",
  "itertools",
@@ -212,9 +214,9 @@ dependencies = [
 
 [[package]]
 name = "prost-types"
-version = "0.11.2"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "747761bc3dc48f9a34553bf65605cf6cb6288ba219f3450b4275dbd81539551a"
+checksum = "a5e0526209433e96d83d750dd81a99118edbc55739e7e61a46764fd2ad537788"
 dependencies = [
  "bytes",
  "prost",
diff --git a/protoc-gen-prost-crate/Cargo.toml b/protoc-gen-prost-crate/Cargo.toml
index 1322cbc..1ef1118 100644
--- a/protoc-gen-prost-crate/Cargo.toml
+++ b/protoc-gen-prost-crate/Cargo.toml
@@ -16,8 +16,8 @@ categories = ["encoding"]
 
 [dependencies]
 once_cell = "1.10.0"
-prost-build = { version = ">=0.11.0, <0.11.2", default-features = false }
-prost-types = { version = "0.11.0", default-features = false }
+prost-build = { version = "0.11.6", default-features = false }
+prost-types = { version = "0.11.6", default-features = false }
 prost = { version = "0.11.0", default-features = false, features = ["std"] }
 protoc-gen-prost = { version = "0.2.0", path = "../protoc-gen-prost" }
 regex = { version = "1.5.5", default-features = false }
diff --git a/protoc-gen-prost-serde/Cargo.toml b/protoc-gen-prost-serde/Cargo.toml
index c2212ae..ed3f7de 100644
--- a/protoc-gen-prost-serde/Cargo.toml
+++ b/protoc-gen-prost-serde/Cargo.toml
@@ -16,8 +16,8 @@ categories = ["encoding"]
 
 [dependencies]
 pbjson-build = "0.5.1"
-prost-build = { version = ">=0.11.0, <0.11.2", default-features = false }
-prost-types = { version = "0.11.0", default-features = false }
+prost-build = { version = "0.11.6", default-features = false }
+prost-types = { version = "0.11.6", default-features = false }
 prost = { version = "0.11.0", default-features = false, features = ["std"] }
 protoc-gen-prost = { version = "0.2.0", path = "../protoc-gen-prost" }
 regex = { version = "1.5.5", default-features = false }
diff --git a/protoc-gen-prost/Cargo.toml b/protoc-gen-prost/Cargo.toml
index c63aeef..9f4a4b6 100644
--- a/protoc-gen-prost/Cargo.toml
+++ b/protoc-gen-prost/Cargo.toml
@@ -12,17 +12,15 @@ rust-version = "1.62"
 readme = "README.md"
 keywords = ["protobuf", "serialization", "prost"]
 categories = ["encoding"]
-exclude = [
-    "proto"
-]
+exclude = ["proto"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 once_cell = "1.10.0"
-prost-build = { version = ">=0.11.0, <0.11.2", default-features = false }
-prost-types = { version = "0.11.0", default-features = false }
-prost = { version = "0.11.0", default-features = false, features = ["std"] }
+prost-build = { version = "0.11.6", default-features = false }
+prost-types = { version = "0.11.6", default-features = false }
+prost = { version = "0.11.6", default-features = false, features = ["std"] }
 regex = { version = "1.5.5", default-features = false }
 
 [profile.release]
diff --git a/protoc-gen-prost/src/lib.rs b/protoc-gen-prost/src/lib.rs
index a85a40e..43fc5ba 100644
--- a/protoc-gen-prost/src/lib.rs
+++ b/protoc-gen-prost/src/lib.rs
@@ -219,6 +219,8 @@ struct ProstParameters {
     extern_path: Vec<(String, String)>,
     type_attribute: Vec<(String, String)>,
     field_attribute: Vec<(String, String)>,
+    enum_attribute: Vec<(String, String)>,
+    message_attribute: Vec<(String, String)>,
     compile_well_known_types: bool,
     retain_enum_prefix: bool,
 }
@@ -244,6 +246,12 @@ impl ProstParameters {
         for (proto_path, attribute) in &self.field_attribute {
             config.field_attribute(proto_path, attribute);
         }
+        for (proto_path, attribute) in &self.enum_attribute {
+            config.enum_attribute(proto_path, attribute);
+        }
+        for (proto_path, attribute) in &self.message_attribute {
+            config.message_attribute(proto_path, attribute);
+        }
 
         if self.compile_well_known_types {
             config.compile_well_known_types();
@@ -323,6 +331,22 @@ impl ProstParameters {
                 prefix.to_string(),
                 module.replace(r"\,", ",").replace(r"\\", r"\"),
             )),
+            Param::KeyValue {
+                param: "enum_attribute",
+                key: prefix,
+                value: module,
+            } => self.enum_attribute.push((
+                prefix.to_string(),
+                module.replace(r"\,", ",").replace(r"\\", r"\"),
+            )),
+            Param::KeyValue {
+                param: "message_attribute",
+                key: prefix,
+                value: module,
+            } => self.message_attribute.push((
+                prefix.to_string(),
+                module.replace(r"\,", ",").replace(r"\\", r"\"),
+            )),
             _ => return Err(param),
         }
 
diff --git a/protoc-gen-tonic/Cargo.toml b/protoc-gen-tonic/Cargo.toml
index 93159b3..10c6381 100644
--- a/protoc-gen-tonic/Cargo.toml
+++ b/protoc-gen-tonic/Cargo.toml
@@ -11,17 +11,15 @@ edition = "2021"
 readme = "README.md"
 keywords = ["protobuf", "serialization", "prost", "grpc", "tonic"]
 categories = ["encoding"]
-exclude = [
-    "proto"
-]
+exclude = ["proto"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 heck = "0.4.0"
 prettyplease = "0.1.9"
-prost-build = { version = ">=0.11.0, <0.11.2", default-features = false }
-prost-types = { version = "0.11.0", default-features = false }
+prost-build = { version = "0.11.6", default-features = false }
+prost-types = { version = "0.11.6", default-features = false }
 prost = { version = "0.11.0", default-features = false, features = ["std"] }
 protoc-gen-prost = { version = "0.2.0", path = "../protoc-gen-prost" }
 regex = { version = "1.5.5", default-features = false }