diff --git a/.github/policies/labelManagement.issueOpened.yml b/.github/policies/labelManagement.issueOpened.yml
index 4bb75c64d..c65061cdd 100644
--- a/.github/policies/labelManagement.issueOpened.yml
+++ b/.github/policies/labelManagement.issueOpened.yml
@@ -15,6 +15,23 @@ configuration:
               action: Opened
         then:
           - addCodeFlowLink
+      - description: Add Copilot-Instructions label to PRs modifying Copilot instruction files
+        if:
+          - payloadType: Pull_Request
+          - or:
+              - isAction:
+                  action: Opened
+              - isAction:
+                  action: Synchronize
+          - filesMatchPattern:
+              pattern: ^\.github/(copilot-instructions\.md|instructions/.+\.instructions\.md)$
+              matchAny: true
+          - not:
+              hasLabel:
+                label: Copilot-Instructions
+        then:
+          - addLabel:
+              label: Copilot-Instructions
       - description: Add Needs-Triage to new issues
         if:
           - payloadType: Issues