diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
index a897a10..4c62482 100644
--- a/.github/workflows/install.yml
+++ b/.github/workflows/install.yml
@@ -39,6 +39,7 @@ jobs:
           # Fails because this error on cl-info start:
           # ill-formed handler binding ((LAMBDA (DEFMAIN/DEFMAIN::C) (DECLARE (IGNORABLE DEFMAIN/DEFMAIN::C)) (UIOP/IMAGE:QUIT 0)))
           - lisp: abcl
+            os: maxos-latest
             can-fail: true
           # Seems allegro is does not support 64bit OSX.
           # Unable to install it using Roswell: