diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 419a581..b64faa9 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -13,6 +13,10 @@ jobs:
         steps:
             - name: Checkout
               uses: actions/checkout@v2
+              with:
+                  ref: |
+                      master
+                      gh-pages
 
             - name: Install latest toolchain
               uses: actions-rs/toolchain@v1