diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f3e20c7..24872f0 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,7 +17,7 @@ jobs:
       matrix:
       # current ccl-bin has a flaky zip file, so roswell can't install it.
       # Specify a version that works for now.
-        lisp: [sbcl-bin, ecl, cmucl, clisp, allegro]
+        lisp: [sbcl-bin, ecl, cmucl, clisp]
         os: [ windows-latest, ubuntu-latest, macos-latest]
 
     # run the job on every combination of "lisp" and "os" above