diff --git a/kas/corstone1000-fvp.yml b/kas/corstone1000-fvp.yml
index 133749d8..f4401970 100644
--- a/kas/corstone1000-fvp.yml
+++ b/kas/corstone1000-fvp.yml
@@ -6,7 +6,7 @@ header:
 repos:
   run-scripts:
      url: https://git.gitlab.arm.com/arm-reference-solutions/model-scripts.git
-     refspec: corstone1000-fvp
+     refspec: 7ad7b6f33bbdb7ae10c7ecfd56820c03a71e9bdf
      layers:
       .: 'excluded'