diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9431a943971ce..2ae2270058373 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -297,7 +297,11 @@ jobs:
         with:
           ref: ${{ inputs.git_ref }}
       - name: Bootstrap runner environment (macOS-specific)
-        run: bash scripts/environment/bootstrap-macos.sh
+        run: |
+          bash scripts/environment/bootstrap-macos.sh
+          # We usually run `scripts/environment/prepare.sh` but in this case we only need the toolchain.
+          rustup show active-toolchain || rustup toolchain install
+          rustup show
       - name: Build Vector
         env:
           TARGET: "${{ matrix.architecture }}-apple-darwin"