diff --git a/.github/workflows/release-proposal-test.yml b/.github/workflows/release-proposal-test.yml
index 8226ade87d..00c802a288 100644
--- a/.github/workflows/release-proposal-test.yml
+++ b/.github/workflows/release-proposal-test.yml
@@ -65,7 +65,10 @@ jobs:
             echo "Skipping cargo package: no crates had a version bump vs the base ref (PKG_ARGS is empty)."
             exit 0
           fi
-          cargo package "${PKG_ARGS[@]}" --all-features
+          # cargo 1.92+ required: earlier versions (incl. the workspace MSRV 1.87) fail to
+          # resolve sibling crates by version requirement when those versions are not yet on
+          # crates.io
+          cargo +1.92.0 package "${PKG_ARGS[@]}" --all-features
           echo "upload_artifact=true" >> "$GITHUB_OUTPUT"
 
       - name: Upload crates