diff --git a/.github/actions/build-dependencies/action.yml b/.github/actions/build-dependencies/action.yml
index 1084dda5..4bef8230 100644
--- a/.github/actions/build-dependencies/action.yml
+++ b/.github/actions/build-dependencies/action.yml
@@ -30,6 +30,7 @@ runs:
 
     - name: Get nightly version to use
       id: nightly
+      shell: bash
       run: echo "::set-output name=version::$(cat .github/nightly-version)"
 
     - name: Install WASM toolchain