diff --git a/.guix/rekahsoft/guix-config/vms/guix-ci0-home-rekahsoft-ca.scm b/.guix/rekahsoft/guix-config/vms/guix-ci0-home-rekahsoft-ca.scm
index 343a087..be7d995 100644
--- a/.guix/rekahsoft/guix-config/vms/guix-ci0-home-rekahsoft-ca.scm
+++ b/.guix/rekahsoft/guix-config/vms/guix-ci0-home-rekahsoft-ca.scm
@@ -297,7 +297,7 @@ PUBLISH-URL."
             (cuirass-configuration
              (host "localhost")
              (specifications %cuirass-specs)
-             (use-substitutes? #t)))
+             (use-substitutes? #f)))
 
            %nginx-cache-activation