diff --git a/Cargo.lock b/Cargo.lock
index d67bb0f..dd68fb3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -88,7 +88,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -204,7 +204,7 @@ dependencies = [
  "heck 0.5.0",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -290,7 +290,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -693,14 +693,24 @@ dependencies = [
 
 [[package]]
 name = "int-enum"
-version = "1.2.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e366a1634cccc76b4cfd3e7580de9b605e4d93f1edac48d786c1f867c0def495"
+checksum = "cff87d3cc4b79b4559e3c75068d64247284aceb6a038bd4bb38387f3f164476d"
 dependencies = [
+ "int-enum-impl",
+ "serde",
+]
+
+[[package]]
+name = "int-enum-impl"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df1f2f068675add1a3fc77f5f5ab2e29290c841ee34d151abc007bce902e5d34"
+dependencies = [
+ "proc-macro-crate",
  "proc-macro2",
- "proc-macro2-diagnostics",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -765,7 +775,7 @@ dependencies = [
 
 [[package]]
 name = "jrpc-cli"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -979,6 +989,16 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
+dependencies = [
+ "once_cell",
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.105"
@@ -988,18 +1008,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "proc-macro2-diagnostics"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af066a9c399a26e020ada66a034357a868728e72cd426f3adcd35f80d88d88c8"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "version_check",
-]
-
 [[package]]
 name = "quinn"
 version = "0.11.9"
@@ -1389,7 +1397,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1482,6 +1490,17 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.114"
@@ -1510,7 +1529,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1560,7 +1579,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1571,7 +1590,7 @@ checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1657,7 +1676,7 @@ checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1683,6 +1702,23 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.6.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
+
+[[package]]
+name = "toml_edit"
+version = "0.19.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tower"
 version = "0.5.2"
@@ -1801,12 +1837,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
-[[package]]
-name = "version_check"
-version = "0.9.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
-
 [[package]]
 name = "walkdir"
 version = "2.5.0"
@@ -1886,7 +1916,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
  "wasm-bindgen-shared",
 ]
 
@@ -2239,6 +2269,15 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
 
+[[package]]
+name = "winnow"
+version = "0.5.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f593a95398737aeed53e489c785df13f3618e41dbcd6718c6addbf1395aa6876"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "wit-bindgen"
 version = "0.22.0"
@@ -2295,7 +2334,7 @@ dependencies = [
  "anyhow",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
  "wit-bindgen-core",
  "wit-bindgen-rust",
 ]
@@ -2362,7 +2401,7 @@ checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
  "synstructure",
 ]
 
@@ -2394,7 +2433,7 @@ checksum = "2c7962b26b0a8685668b671ee4b54d007a67d4eaf05fda79ac0ecf41e32270f1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -2414,7 +2453,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
  "synstructure",
 ]
 
@@ -2454,7 +2493,7 @@ checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.114",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 6ea2db4..daf5357 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 edition = "2021"
 name = "jrpc-cli"
-version = "0.2.0"
+version = "0.2.1"
 
 [workspace]
 resolver = "2"
diff --git a/libjrpc/templates/Rust/Cargo.toml b/libjrpc/templates/Rust/Cargo.toml
index 4d6a8e1..2506248 100644
--- a/libjrpc/templates/Rust/Cargo.toml
+++ b/libjrpc/templates/Rust/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-int-enum = { version = "1.2.0" }
+int-enum = { version = "0.5", features = ["serde", "convert"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 nanoid = "0.4"