diff --git a/Cargo.toml b/Cargo.toml
index acdaa1d..acd0c95 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,27 +3,27 @@ name = "cloudinary"
 description = "A Rust library for the Cloudinary API"
 license = "MIT OR Apache-2.0"
 keywords = ["cloudinary", "api", "image", "video", "upload"]
-version = "0.5.0"
+version = "0.5.1"
 edition = "2021"
 rust-version = "1.65.0"                                      # due to let-else
 
 
 [dependencies]
-anyhow = "1.0.75"
-chrono = "0.4.31"
-itertools = "0.12.0"
+anyhow = "1.0.89"
+chrono = "0.4.38"
+itertools = "0.13.0"
 mime = "0.3.17"
-reqwest = { version = "0.11.22", features = ["json", "multipart", "stream"] }
-serde = { version = "1.0.193", features = ["derive", "rc"] }
-serde_json = "1.0.108"
+reqwest = { version = "0.12.7", features = ["json", "multipart", "stream"] }
+serde = { version = "1.0.210", features = ["derive", "rc"] }
+serde_json = "1.0.128"
 sha1 = "0.10.6"
-tokio = { version = "1.34.0", features = ["rt", "macros"] }
-tokio-util = "0.7.10"
-url = "2.4.1"
+tokio = { version = "1.40.0", features = ["rt", "macros"] }
+tokio-util = "0.7.12"
+url = "2.5.2"
 
 [dev-dependencies]
 dotenv = "0.15.0"
-pretty_assertions = "1.4.0"
+pretty_assertions = "1.4.1"
 
 # for minimal-versions  
 [target.'cfg(any())'.dependencies]
diff --git a/src/transformation/mod.rs b/src/transformation/mod.rs
index 0e0951a..42efd58 100644
--- a/src/transformation/mod.rs
+++ b/src/transformation/mod.rs
@@ -99,13 +99,9 @@ impl Image {
             Some(format) => {
                 let file_name = self.public_id.split('/').last().unwrap().to_string();
 
-                let new_flie_name = format!(
-                    "{}.{}",
-                    file_name.split('.').collect::<Vec<&str>>().pop().unwrap(),
-                    format
-                );
+                let new_file_name = format!("{}.{}", file_name, format);
                 url.set_path(
-                    path.replace(file_name.as_str(), new_flie_name.as_str())
+                    path.replace(file_name.as_str(), new_file_name.as_str())
                         .as_str(),
                 );
             }
@@ -160,7 +156,7 @@ impl TryFrom<Url> for Image {
 
         let mut cloud_name: Option<&str> = None;
         let mut public_id_parts: Vec<(&str, Option<&str>)> = Vec::new();
-        let mut public_id_teritory = false;
+        let mut public_id_territory = false;
         for (pos, s) in url.path_segments().unwrap().enumerate() {
             match pos {
                 0 => {
@@ -189,14 +185,14 @@ impl TryFrom<Url> for Image {
                     }
                 }
                 _ => {
-                    if !public_id_teritory && is_version(s) {
-                        public_id_teritory = true;
-                    } else if !public_id_teritory && is_transformation(s) {
+                    if !public_id_territory && is_version(s) {
+                        public_id_territory = true;
+                    } else if !public_id_territory && is_transformation(s) {
                     } else if let Some((head, tail)) = s.rsplit_once('.') {
-                        public_id_teritory = true;
+                        public_id_territory = true;
                         public_id_parts.push((head, Some(tail)));
                     } else {
-                        public_id_teritory = true;
+                        public_id_territory = true;
                         public_id_parts.push((s, None));
                     }
                 }
@@ -427,6 +423,10 @@ mod tests {
         assert_eq!(image.cloud_name, "test".into());
         assert_eq!(image.public_id, "1.2".into());
         assert_eq!(image.get_format(), Some("jpg".into()));
+        assert_eq!(
+            image.to_string(),
+            "https://res.cloudinary.com/test/image/upload/1.2.jpg"
+        )
     }
 
     #[test]
diff --git a/src/transformation/named_color.rs b/src/transformation/named_color.rs
index 21b3164..3b9ec11 100644
--- a/src/transformation/named_color.rs
+++ b/src/transformation/named_color.rs
@@ -1,6 +1,6 @@
 use std::fmt::Display;
 /// CSS named colors V4.
-/// https://www.w3.org/TR/css-color-4/#named-colors
+/// <https://www.w3.org/TR/css-color-4/#named-colors>
 #[derive(Debug, Clone)]
 pub enum NamedColor {
     AliceBlue,