diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ce8bab5..f51c44f1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        lisp: [sbcl-bin, ccl-bin/1.12.1, ecl/21.2.1]
+        lisp: [sbcl-bin, ccl-bin/1.12.1, ecl/21.2.1, clasp-bin]
         os: [ubuntu-latest, macOS-latest]
 
     steps: