diff --git a/wobuzz/ui/settings/sub_category.py b/wobuzz/ui/settings/sub_category.py
index f9c9920..8ad34f5 100644
--- a/wobuzz/ui/settings/sub_category.py
+++ b/wobuzz/ui/settings/sub_category.py
@@ -15,6 +15,8 @@ class SubCategory(QGroupBox):
         self.setSizePolicy(QSizePolicy.Policy.Preferred, QSizePolicy.Policy.Fixed)
         self.setAlignment(Qt.AlignmentFlag.AlignLeading | Qt.AlignmentFlag.AlignVCenter)
 
+        self.setStyleSheet("QGroupBox{font-weight: bold;}")
+
         self.layout = QFormLayout()
         self.setLayout(self.layout)