diff --git a/slpkg/sbos/slackbuild.py b/slpkg/sbos/slackbuild.py
index ff88eda8..8c120897 100644
--- a/slpkg/sbos/slackbuild.py
+++ b/slpkg/sbos/slackbuild.py
@@ -33,7 +33,7 @@ class Slackbuilds(Configs):
     def __init__(self, repository: str, data: dict, slackbuilds: list, flags: list, mode: str):
         super(Configs, self).__init__()
         self.repository: str = repository
-        self.data = data
+        self.data: dict = data
         self.slackbuilds: list = slackbuilds
         self.flags: list = flags
         self.mode: str = mode
@@ -111,7 +111,7 @@ class Slackbuilds(Configs):
     def remove_duplicate_slackbuilds_from_dependencies(self):
         if self.dependencies:
             # Remove duplicate packages and keeps the order.
-            dependencies = list(OrderedDict.fromkeys(self.dependencies))
+            dependencies: list = list(OrderedDict.fromkeys(self.dependencies))
             self.dependencies: list = self.choose_dependencies_for_build_or_install(dependencies)
 
     def add_dependencies_slackbuilds_to_install_list(self) -> None: