diff --git a/.github/workflows/builder.yml b/.github/workflows/builder.yml
index f0dd00bdfaf..ccbe3ba790b 100644
--- a/.github/workflows/builder.yml
+++ b/.github/workflows/builder.yml
@@ -99,6 +99,8 @@ jobs:
       - name: Adjust nightly version
         if: needs.init.outputs.channel == 'dev'
         shell: bash
+        env:
+          UV_PRERELEASE: allow
         run: |
           python3 -m pip install "$(grep '^uv' < requirements_test.txt)"
           uv pip install packaging tomli