diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27c567d..70829a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,23 +7,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## `granc` - [0.3.1](https://github.com/JasterV/granc/compare/granc-v0.3.0...granc-v0.3.1) - 2026-01-22
+## `granc` - [0.4.0](https://github.com/JasterV/granc/compare/granc-v0.2.4...granc-v0.4.0) - 2026-01-22
 
-### Other
-- update Cargo.lock dependencies
+- Made a mistake publishing `granc 0.3` and introduced bugs, `granc 0.4` fixes them and its the first working version after `0.2.4`.
 
 ## `granc_core` - [0.3.1](https://github.com/JasterV/granc/compare/granc_core-v0.3.0...granc_core-v0.3.1) - 2026-01-22
 
 ### Other
-- update granc-core documentation
+
+- Update granc-core documentation
 
 ## `granc_core` - [0.3.0](https://github.com/JasterV/granc/compare/granc_core-v0.2.4...granc_core-v0.3.0) - 2026-01-22
 
-- Separate reflection generation binary to not be published ([#20](https://github.com/JasterV/granc/pull/20))
-
-## `granc` - [0.3.0](https://github.com/JasterV/granc/compare/granc_core-v0.2.4...granc_core-v0.3.0) - 2026-01-22
-
-- Separate reflection generation binary to not be published ([#20](https://github.com/JasterV/granc/pull/20))
+- Fix: separate reflection generation binary to not be published ([#20](https://github.com/JasterV/granc/pull/20))
 
 ## `granc` - [0.2.4](https://github.com/JasterV/granc/compare/granc-v0.2.3...granc-v0.2.4) - 2026-01-22
 
diff --git a/granc-core/Cargo.toml b/granc-core/Cargo.toml
index fda4d0a..0421196 100644
--- a/granc-core/Cargo.toml
+++ b/granc-core/Cargo.toml
@@ -11,7 +11,7 @@ publish = true
 readme = "README.md"
 repository = { workspace = true }
 rust-version = { workspace = true }
-version = { workspace = true }
+version = "0.3.2"
 
 [lib]
 name = "granc_core"
diff --git a/granc/Cargo.toml b/granc/Cargo.toml
index 0133fdb..c3bbe5a 100644
--- a/granc/Cargo.toml
+++ b/granc/Cargo.toml
@@ -11,11 +11,11 @@ publish = true
 readme = "../README.md"
 repository = { workspace = true }
 rust-version = { workspace = true }
-version = { workspace = true }
+version = "0.4.0"
 
 [dependencies]
 clap = { version = "4.5.54", features = ["derive"] }
-granc_core = "0.2.4"
+granc_core = "0.3.2"
 serde_json = { workspace = true }
 tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }
 tonic = { workspace = true }
diff --git a/granc/src/cli.rs b/granc/src/cli.rs
index cf6123f..08b7905 100644
--- a/granc/src/cli.rs
+++ b/granc/src/cli.rs
@@ -3,14 +3,15 @@
 //! This module defines the command-line interface of `granc` using `clap`.
 //!
 //! It is responsible for parsing user input and performing validation (e.g., ensuring headers are `key:value`);
+use std::path::PathBuf;
+
 use clap::Parser;
-use granc_core::client::DynamicRequest;
 
 #[derive(Parser)]
 #[command(name = "granc", version, about = "Dynamic gRPC CLI")]
 pub struct Cli {
-    #[arg(long, help = "Path to the descriptor set (.bin)", value_parser = parse_file_descriptor_set)]
-    pub file_descriptor_set: Option<Vec<u8>>,
+    #[arg(long, help = "Path to the descriptor set (.bin)")]
+    pub file_descriptor_set: Option<PathBuf>,
 
     #[arg(long, help = "JSON body (Object for Unary, Array for Streaming)", value_parser = parse_body)]
     pub body: serde_json::Value,
@@ -25,28 +26,6 @@ pub struct Cli {
     pub endpoint: (String, String),
 }
 
-impl From<Cli> for DynamicRequest {
-    /// Converts the raw CLI arguments into the internal `Input` representation.
-    fn from(value: Cli) -> Self {
-        let (service, method) = value.endpoint;
-
-        Self {
-            file_descriptor_set: value.file_descriptor_set,
-            body: value.body,
-            headers: value.headers,
-            service,
-            method,
-        }
-    }
-}
-
-fn parse_file_descriptor_set(path: &str) -> Result<Vec<u8>, String> {
-    let path = path.trim();
-
-    std::fs::read(path)
-        .map_err(|err| format!("Failed to read file descriptor set at path '{path}': '{err}'"))
-}
-
 fn parse_endpoint(value: &str) -> Result<(String, String), String> {
     let (service, method) = value.split_once('/').ok_or_else(|| {
         format!("Invalid endpoint format: '{value}'. Expected 'package.Service/Method'",)
diff --git a/granc/src/main.rs b/granc/src/main.rs
index eaee61a..8aa6afa 100644
--- a/granc/src/main.rs
+++ b/granc/src/main.rs
@@ -18,6 +18,24 @@ use std::process;
 async fn main() {
     let args = Cli::parse();
 
+    let file_descriptor_set = match args.file_descriptor_set.map(std::fs::read).transpose() {
+        Ok(fd) => fd,
+        Err(err) => {
+            eprintln!("Error reading file descriptor set: '{err}'");
+            process::exit(1);
+        }
+    };
+
+    let (service, method) = args.endpoint;
+
+    let request = DynamicRequest {
+        file_descriptor_set,
+        body: args.body,
+        headers: args.headers,
+        service,
+        method,
+    };
+
     let mut client = match GrancClient::connect(&args.url).await {
         Ok(client) => client,
         Err(err) => {
@@ -26,7 +44,7 @@ async fn main() {
         }
     };
 
-    match client.dynamic(DynamicRequest::from(args)).await {
+    match client.dynamic(request).await {
         Ok(DynamicResponse::Unary(Ok(value))) => print_json(&value),
         Ok(DynamicResponse::Unary(Err(status))) => print_status(&status),
         Ok(DynamicResponse::Streaming(Ok(values))) => print_stream(&values),