diff --git a/.github/workflows/cultmesh-portability.yml b/.github/workflows/cultmesh-portability.yml
index b327b8c5..a346a410 100644
--- a/.github/workflows/cultmesh-portability.yml
+++ b/.github/workflows/cultmesh-portability.yml
@@ -22,6 +22,10 @@ jobs:
     steps:
       - name: Check out CultLib
         uses: actions/checkout@v4
+        with:
+          # The declared-dependency-range test builds the admitted releases from their tags.
+          fetch-depth: 0
+          fetch-tags: true
 
       - name: Set up .NET
         uses: actions/setup-dotnet@v4