diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 2ba1703..3914d77 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -9,10 +9,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           clean: false
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: cache
         with:
           path: |
diff --git a/ua_generator/build.rs b/ua_generator/build.rs
index 0912142..6f50108 100644
--- a/ua_generator/build.rs
+++ b/ua_generator/build.rs
@@ -30,25 +30,29 @@ fn bump_version_in_cargo_toml() -> Result<(), Box<dyn std::error::Error>> {
     let cargo_toml_path = Path::new("Cargo.toml");
 
     let mut cargo_toml_content = String::new();
+
     crate::fs::OpenOptions::new()
         .read(true)
         .open(&cargo_toml_path)?
         .read_to_string(&mut cargo_toml_content)?;
 
-    let mut parsed_toml: Value = cargo_toml_content.parse()?;
-    if let Some(version) = parsed_toml
-        .get_mut("package")
-        .and_then(|pkg| pkg.get_mut("version"))
-    {
-        if let Some(version_str) = version.as_str() {
-            let new_version = increment_version(version_str);
-            *version = Value::String(new_version.clone());
-            println!("Bumped version to: {}", new_version);
+    if !cargo_toml_content.is_empty() {
+        let mut parsed_toml: Value = cargo_toml_content.parse()?;
+
+        if let Some(version) = parsed_toml
+            .get_mut("package")
+            .and_then(|pkg| pkg.get_mut("version"))
+        {
+            if let Some(version_str) = version.as_str() {
+                let new_version = increment_version(version_str);
+                *version = Value::String(new_version.clone());
+                println!("Bumped version to: {}", new_version);
+            }
         }
-    }
 
-    let new_cargo_toml_content = toml::to_string(&parsed_toml)?;
-    fs::write(cargo_toml_path, new_cargo_toml_content)?;
+        let new_cargo_toml_content = toml::to_string(&parsed_toml)?;
+        fs::write(cargo_toml_path, new_cargo_toml_content)?;
+    }
 
     Ok(())
 }
@@ -74,6 +78,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let build_enabled = env::var("BUILD_ENABLED").map(|v| v == "1").unwrap_or(false);
 
     if build_enabled {
+        println!("generating user agents...");
         let base_api =
             env::var("API_URL").unwrap_or("https://api.spider.cloud/data/user_agents".into());
 
@@ -154,6 +159,7 @@ pub fn agents() -> [&'static str; 9] {{
         let chrome_agent_list: Vec<ApiResult> =
             match get(&format!("{base_api}?chrome=true&list=true"))
                 .set("apikey", &token)
+                .set("user-agent", "spider-rs")
                 .call()
             {
                 Ok(req) => {