diff --git a/atomics/T1553.005/T1553.005.yaml b/atomics/T1553.005/T1553.005.yaml
index 0f1a8003..58ca514d 100644
--- a/atomics/T1553.005/T1553.005.yaml
+++ b/atomics/T1553.005/T1553.005.yaml
@@ -61,6 +61,7 @@ atomic_tests:
     name: powershell
 
 - name: Remove the Zone.Identifier alternate data stream
+  auto_generated_guid: 64b12afc-18b8-4d3f-9eab-7f6cae7c73f9
   description: |
     Remove the Zone.Identifier alternate data stream which identifies the file as downloaded from the internet.
     Removing this allows more freedom in executing scripts in PowerShell and avoids opening files in protected view.
diff --git a/atomics/used_guids.txt b/atomics/used_guids.txt
index 93edac9d..47319e8f 100644
--- a/atomics/used_guids.txt
+++ b/atomics/used_guids.txt
@@ -781,3 +781,4 @@ bc071188-459f-44d5-901a-f8f2625b2d2e
 d1253f6e-c29b-49dc-b466-2147a6191932
 dbf4f5a9-b8e0-46a3-9841-9ad71247239e
 b9bbae2c-2ba6-4cf3-b452-8e8f908696f3
+64b12afc-18b8-4d3f-9eab-7f6cae7c73f9