diff --git a/ruby/ql/src/change-notes/2025-06-17-tagging.md b/ruby/ql/src/change-notes/2025-06-17-tagging.md
new file mode 100644
index 000000000000..757e1c55577d
--- /dev/null
+++ b/ruby/ql/src/change-notes/2025-06-17-tagging.md
@@ -0,0 +1,5 @@
+---
+category: queryMetadata
+---
+* Update query metadata tags for `rb/database-query-in-loop` and `rb/useless-assignment-to-local` to align with the established
+[Query file metadata and alert message style guide](https://github.com/github/codeql/blob/main/docs/query-metadata-style-guide.md#quality-query-sub-category-tags).
diff --git a/ruby/ql/src/queries/performance/DatabaseQueryInLoop.ql b/ruby/ql/src/queries/performance/DatabaseQueryInLoop.ql
index 835fe620984d..b34ee080fcdd 100644
--- a/ruby/ql/src/queries/performance/DatabaseQueryInLoop.ql
+++ b/ruby/ql/src/queries/performance/DatabaseQueryInLoop.ql
@@ -5,8 +5,9 @@
  * @problem.severity info
  * @precision high
  * @id rb/database-query-in-loop
- * @tags performance
- *       quality
+ * @tags quality
+ *       reliability
+ *       performance
  */
 
 import ruby
diff --git a/ruby/ql/src/queries/variables/DeadStoreOfLocal.ql b/ruby/ql/src/queries/variables/DeadStoreOfLocal.ql
index 808ce42dd85d..849fb8ecd5a7 100644
--- a/ruby/ql/src/queries/variables/DeadStoreOfLocal.ql
+++ b/ruby/ql/src/queries/variables/DeadStoreOfLocal.ql
@@ -5,8 +5,9 @@
  * @kind problem
  * @problem.severity warning
  * @id rb/useless-assignment-to-local
- * @tags maintainability
- *       quality
+ * @tags quality
+ *       maintainability
+ *       useless-code
  *       external/cwe/cwe-563
  * @precision high
  */