diff --git a/cpp/ql/lib/change-notes/2026-01-02-decimal-removal.md b/cpp/ql/lib/change-notes/2026-01-02-decimal-removal.md
index 09c36751262..19d0d545576 100644
--- a/cpp/ql/lib/change-notes/2026-01-02-decimal-removal.md
+++ b/cpp/ql/lib/change-notes/2026-01-02-decimal-removal.md
@@ -1,4 +1,4 @@
 ---
-category: minorAnalysis
+category: breaking
 ---
 * The `_Decimal32`, `_Decimal64`, and `_Decimal128` types are no longer exposed as builtin types. Support for these gcc-specific types was incomplete, and are generally not used in C/C++ codebases.