diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 9992005eb..d91a751fc 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -23,6 +23,9 @@
 - Acknowledge good patterns when you see them
 - Ask clarifying questions when code intent is unclear
 
+## Review Test Coverage
+- Ensure there are tests that cover and exercise the new or changed functionality
+
 Always prioritize security vulnerabilities and performance issues that could impact users.
 
 Always suggest changes to improve readability.