diff --git a/CHANGELOG.md b/CHANGELOG.md
index b53325387..66c5e8204 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,6 +47,10 @@ CLI command and its behaviour. There are no guarantees of stability for the
   - Fennel (`.fnl`) (#638)
   - CommonJS (`.cjs`) (#632)
   - Qt .pro (`.pro`) (#632)
+  - Qt .pri (`.pri`) (#755)
+  - Qt .qrc (`.qrc`) (#755)
+  - Qt .qss(`.qss`) (#755)
+  - Qt .ui (`.ui`) (#755)
   - Textile (`.textile`) (#712)
   - Visual Studio Code workspace (`.code-workspace`) (#747)
   - Application Resource Bundle (`.arb`) (#749)
diff --git a/src/reuse/comment.py b/src/reuse/comment.py
index e0fa98777..e94227038 100644
--- a/src/reuse/comment.py
+++ b/src/reuse/comment.py
@@ -628,6 +628,7 @@ class XQueryCommentStyle(CommentStyle):
     ".pot": PythonCommentStyle,
     ".ppt": UncommentableCommentStyle,
     ".pptx": UncommentableCommentStyle,
+    ".pri": PythonCommentStyle,
     ".pro": PythonCommentStyle,
     ".proto": CCommentStyle,
     ".ps1": PythonCommentStyle,  # TODO: Multiline comments
@@ -641,6 +642,8 @@ class XQueryCommentStyle(CommentStyle):
     ".pyx": PythonCommentStyle,
     ".qbs": CCommentStyle,
     ".qml": CCommentStyle,
+    ".qrc": UncommentableCommentStyle,
+    ".qss": CssCommentStyle,
     ".R": PythonCommentStyle,
     ".rake": PythonCommentStyle,
     ".rb": PythonCommentStyle,
@@ -678,6 +681,7 @@ class XQueryCommentStyle(CommentStyle):
     ".ts": CCommentStyle,
     ".tsx": CCommentStyle,
     ".ttl": PythonCommentStyle,  # Turtle/RDF
+    ".ui": UncommentableCommentStyle,
     ".v": CCommentStyle,  # V-Lang source code
     ".vala": CCommentStyle,
     ".vim": VimCommentStyle,