diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd0ce7c5..27926a9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,6 +47,7 @@ CLI command and its behaviour. There are no guarantees of stability for the
   - CUDA-C++ (`.cu`, `.cuh`) (#938)
   - Various .NET files (`.csproj`, `.fsproj`, `.fsx`, `.props`, `.sln`,
     `.vbproj`) (#940)
+  - Cargo (`Cargo.lock`) (#937)
 - Added comment styles:
   - `man` for UNIX Man pages (`.man`) (#954)
 
diff --git a/src/reuse/comment.py b/src/reuse/comment.py
index 23889391..1aa47c6f 100644
--- a/src/reuse/comment.py
+++ b/src/reuse/comment.py
@@ -852,6 +852,7 @@ class XQueryCommentStyle(CommentStyle):
     ".yarnrc": PythonCommentStyle,
     "ansible.cfg": PythonCommentStyle,
     "archive.sctxar": UncommentableCommentStyle,  # SuperCollider global archive
+    "Cargo.lock": UncommentableCommentStyle,
     "CMakeLists.txt": PythonCommentStyle,
     "CODEOWNERS": PythonCommentStyle,
     "configure.ac": M4CommentStyle,