diff --git a/specification/securityinsights/resource-manager/readme.md b/specification/securityinsights/resource-manager/readme.md
index 2ba35ef5cbaa..b4f8192eef8d 100644
--- a/specification/securityinsights/resource-manager/readme.md
+++ b/specification/securityinsights/resource-manager/readme.md
@@ -86,6 +86,12 @@ suppressions:
   - code: AvoidAdditionalProperties
     from: Microsoft.SecurityInsights/preview/2024-04-01-preview/EntityQueryTemplates.json
     reason: These properties are unknown and changed frequently (each request can have different values for each entity)
+  - code: AvoidAdditionalProperties
+    from: Microsoft.SecurityInsights/preview/22024-04-01-preview/AlertRules.json
+    reason: These properties are unknown and changed frequently (each request can have different values for each entity)
+  - code: AvoidAdditionalProperties
+    from: Microsoft.SecurityInsights/preview/22024-04-01-preview/Recommendations.json
+    reason: These properties are unknown and changed frequently (each request can have different values for each entity)
 ```
 ### Tag: package-2024-03