diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 15ee6731..f7c00e42 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,11 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@v2
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          repository: joshgoebel/wren-essentials
+          path: deps/wren-essentials
       - name: build & test
         run: |
           cd "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\"
@@ -29,6 +34,11 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          repository: joshgoebel/wren-essentials
+          path: deps/wren-essentials
       - name: build & test
         run: |
           make -j8 -C projects/make.mac/
@@ -45,6 +55,11 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          repository: joshgoebel/wren-essentials
+          path: deps/wren-essentials
       - name: build & test
         run: |
           make -j8 -C projects/make/