diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3daf37be5..ec2c153d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,10 +18,10 @@ jobs:
         arch:
           - x64
         build_spec:
-          - v1.7.0                                   # entry straight in Versions.toml
-          - nightly                                  # entry from Builds.toml
-          - 8cb458c6dcd8e067a3bd430b006efb0dfde56cf9 # directly from Git, never built
-          - master                                   # directly from Git, likely built
+          - v1.7.0      # release from versions.json
+          - nightly     # special release
+          - master      # directly from Git, likely built by CI
+          - master~500  # directly from Git, unlikely built by CI
     env:
       JULIA_DEBUG: PkgEval
       JULIA: ${{ matrix.build_spec }}