diff --git a/src/types/api/attachment.rs b/src/types/api/attachment.rs
index 2736762..14d0594 100644
--- a/src/types/api/attachment.rs
+++ b/src/types/api/attachment.rs
@@ -5,7 +5,7 @@ use serde::{Deserialize, Serialize};
 use url::Url;
 
 /// Represents a generic attachment.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct Attachment {
     /// The browser download URL of the attachment.
     pub browser_download_url: Url,
diff --git a/src/types/api/issue.rs b/src/types/api/issue.rs
index 26f34bd..007ff70 100644
--- a/src/types/api/issue.rs
+++ b/src/types/api/issue.rs
@@ -50,7 +50,7 @@ use crate::types::misc::boolean_enums::is::locked::IsLocked;
 use crate::types::misc::boolean_enums::state_type::StateType;
 
 /// Represents an issue in a repository.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct Issue {
     /// List of attachments.
     pub assets: Vec<Attachment>,
diff --git a/src/types/api/label.rs b/src/types/api/label.rs
index 985705c..b0e8ee7 100644
--- a/src/types/api/label.rs
+++ b/src/types/api/label.rs
@@ -7,7 +7,7 @@ use crate::types::misc::boolean_enums::is::exclusive::Exclusive;
 use crate::types::misc::color::Color;
 
 /// Label represents a label attached to an issue or a PR.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct Label {
     /// The color of the label (in hexadecimal format).
     pub color: Color,
diff --git a/src/types/api/milestone.rs b/src/types/api/milestone.rs
index e53a66c..9e2e7b6 100644
--- a/src/types/api/milestone.rs
+++ b/src/types/api/milestone.rs
@@ -24,7 +24,7 @@ use serde::{Deserialize, Serialize};
 use crate::types::misc::boolean_enums::state_type::StateType;
 
 /// Milestone represents a collection of issues on one repository.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct Milestone {
     /// The timestamp when the milestone was closed.
     pub closed_at: Option<DateTime<Utc>>,
diff --git a/src/types/api/pull_request_meta.rs b/src/types/api/pull_request_meta.rs
index c3f03a5..e117d20 100644
--- a/src/types/api/pull_request_meta.rs
+++ b/src/types/api/pull_request_meta.rs
@@ -4,7 +4,7 @@ use serde::{Deserialize, Serialize};
 use crate::types::misc::boolean_enums::is::merged::IsMerged;
 
 /// PullRequestMeta represents PR information for an issue if it is a PR.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct PullRequestMeta {
     /// Indicates whether the PR is merged or not.
     pub merged: IsMerged,
diff --git a/src/types/api/repo_meta.rs b/src/types/api/repo_meta.rs
index 5e66fec..d8ecbbd 100644
--- a/src/types/api/repo_meta.rs
+++ b/src/types/api/repo_meta.rs
@@ -3,7 +3,7 @@ use std::fmt::Display;
 use serde::{Deserialize, Serialize};
 
 /// Represents basic repository information.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct RepositoryMeta {
     /// The full name of the repository.
     pub full_name: String,
diff --git a/src/types/misc/color.rs b/src/types/misc/color.rs
index 6cb0393..eace2ab 100644
--- a/src/types/misc/color.rs
+++ b/src/types/misc/color.rs
@@ -6,7 +6,7 @@ use palette::Srgb;
 use serde::de::Visitor;
 use serde::{de::Error, Deserialize, Deserializer, Serialize, Serializer};
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Color(pub(crate) Rgb<Srgb, u8>);
 
 impl Display for Color {