diff --git a/.github/workflows/ci-contracts.yml b/.github/workflows/ci-contracts.yml
index 32ba1e67ad..dc8246d851 100644
--- a/.github/workflows/ci-contracts.yml
+++ b/.github/workflows/ci-contracts.yml
@@ -27,6 +27,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
+          # pinned due to issues building contracts
           toolchain: 1.86.0
           target: wasm32-unknown-unknown
           override: true