diff --git a/bugme.py b/bugme.py
index 901f2bc..6229bf9 100755
--- a/bugme.py
+++ b/bugme.py
@@ -284,7 +284,7 @@ def print_issues(  # pylint: disable=too-many-arguments
         print("</tbody></table>")
 
 
-def main():
+def main() -> None:
     """
     Main function
     """
diff --git a/services/__init__.py b/services/__init__.py
index 3d550f7..3815c16 100644
--- a/services/__init__.py
+++ b/services/__init__.py
@@ -164,13 +164,13 @@ class Service(ABC):
     Service class to abstract methods
     """
 
-    def __init__(self, url: str):
+    def __init__(self, url: str) -> None:
         url = url.rstrip("/")
         self.url = url if url.startswith("https://") else f"https://{url}"
         self.tag = "".join([s[0] for s in str(urlparse(self.url).hostname).split(".")])
 
     @abstractmethod
-    def close(self):
+    def close(self) -> None:
         """
         Close session
         """
@@ -234,7 +234,7 @@ class Generic(Service):
     Generic class for services using python requests
     """
 
-    def __init__(self, url: str, token: str | None):
+    def __init__(self, url: str, token: str | None) -> None:
         super().__init__(url)
         self.issue_api_url = self.pr_api_url = "OVERRIDE"
         self.issue_web_url = self.pr_web_url = "OVERRIDE"
@@ -323,7 +323,7 @@ def get_page(page: int) -> list[dict[str, Any]]:
                 )
         return entries
 
-    def close(self):
+    def close(self) -> None:
         self.session.close()
 
     def get_issue(self, issue_id: str = "", **kwargs) -> Issue | None:
diff --git a/services/bugzilla.py b/services/bugzilla.py
index 3746a73..9b9a5c8 100644
--- a/services/bugzilla.py
+++ b/services/bugzilla.py
@@ -20,7 +20,7 @@ class MyBugzilla(Service):
     Bugzilla
     """
 
-    def __init__(self, url: str, creds: dict):
+    def __init__(self, url: str, creds: dict) -> None:
         super().__init__(url)
         options = {
             # "force_rest": True,
@@ -41,7 +41,7 @@ def __init__(self, url: str, creds: dict):
         if path:
             self.url = f"{self.url}/bugzilla"
 
-    def close(self):
+    def close(self) -> None:
         try:
             self.client.disconnect()
         except (AttributeError, BugzillaError):
diff --git a/services/gitea.py b/services/gitea.py
index a4f9586..bc82570 100644
--- a/services/gitea.py
+++ b/services/gitea.py
@@ -17,7 +17,7 @@ class MyGitea(Generic):
     Gitea
     """
 
-    def __init__(self, url: str, creds: dict):
+    def __init__(self, url: str, creds: dict) -> None:
         super().__init__(url, token=creds.get("token"))
         self.issue_api_url = f"{self.url}/api/v1/repos/{{repo}}/issues/{{issue}}"
         self.issue_web_url = f"{self.url}/{{repo}}/issues/{{issue}}"
diff --git a/services/github.py b/services/github.py
index 6db160a..ac82a7c 100644
--- a/services/github.py
+++ b/services/github.py
@@ -20,7 +20,7 @@ class MyGithub(Service):
     Github
     """
 
-    def __init__(self, url: str, creds: dict):
+    def __init__(self, url: str, creds: dict) -> None:
         super().__init__(url)
         options: dict[str, Any] = {
             # NOTE: Uncomment when latest PyGithub is published on Tumbleweed
@@ -34,7 +34,7 @@ def __init__(self, url: str, creds: dict):
         if os.getenv("DEBUG"):
             logging.getLogger("github").setLevel(logging.DEBUG)
 
-    def close(self):
+    def close(self) -> None:
         try:
             self.client.close()
         except (AttributeError, GithubException):
diff --git a/services/gitlab.py b/services/gitlab.py
index 542b9ff..08dedb3 100644
--- a/services/gitlab.py
+++ b/services/gitlab.py
@@ -23,7 +23,7 @@ class MyGitlab(Service):
     Gitlab
     """
 
-    def __init__(self, url: str, creds: dict):
+    def __init__(self, url: str, creds: dict) -> None:
         super().__init__(url)
         options: dict[str, Any] = {
             "ssl_verify": os.environ.get("REQUESTS_CA_BUNDLE", True),
@@ -40,7 +40,7 @@ def __init__(self, url: str, creds: dict):
         except (GitlabError, RequestException):
             pass
 
-    def close(self):
+    def close(self) -> None:
         try:
             self.client.session.close()
         except (AttributeError, GitlabError):
diff --git a/services/jira.py b/services/jira.py
index 8038cf9..103a530 100644
--- a/services/jira.py
+++ b/services/jira.py
@@ -21,14 +21,14 @@ class MyJira(Service):
     Jira
     """
 
-    def __init__(self, url: str, creds: dict):
+    def __init__(self, url: str, creds: dict) -> None:
         super().__init__(url)
         self.client = Jira(url=self.url, **creds)
         self.client._session.headers["User-Agent"] = f"bugme/{VERSION}"
         if os.getenv("DEBUG"):
             self.client._session.hooks["response"].append(debugme)
 
-    def close(self):
+    def close(self) -> None:
         try:
             self.client.session.close()
         except AttributeError:
diff --git a/services/pagure.py b/services/pagure.py
index d6c1d28..ce64d09 100644
--- a/services/pagure.py
+++ b/services/pagure.py
@@ -17,7 +17,7 @@ class MyPagure(Generic):
     Pagure
     """
 
-    def __init__(self, url: str, creds: dict):
+    def __init__(self, url: str, creds: dict) -> None:
         super().__init__(url, token=creds.get("token"))
         self.issue_api_url = f"{self.url}/api/0/{{repo}}/issue/{{issue}}"
         self.issue_web_url = f"{self.url}/{{repo}}/issue/{{issue}}"
diff --git a/services/redmine.py b/services/redmine.py
index 3b847a0..88c4dd5 100644
--- a/services/redmine.py
+++ b/services/redmine.py
@@ -20,7 +20,7 @@ class MyRedmine(Service):
     Redmine
     """
 
-    def __init__(self, url: str, creds: dict):
+    def __init__(self, url: str, creds: dict) -> None:
         super().__init__(url)
         options = {
             "raise_attr_exception": False,
@@ -31,7 +31,7 @@ def __init__(self, url: str, creds: dict):
         if os.getenv("DEBUG"):
             self.client.engine.session.hooks["response"].append(debugme)
 
-    def close(self):
+    def close(self) -> None:
         try:
             self.client.engine.session.close()
         except AttributeError: