diff --git a/.github/workflows/post-release.yaml b/.github/workflows/post-release.yaml
index 0072493..51de7fe 100644
--- a/.github/workflows/post-release.yaml
+++ b/.github/workflows/post-release.yaml
@@ -12,6 +12,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
         with:
+          repository: ${{ github.event.repository.full_name }}
           ref: ${{ github.event.repository.default_branch }}
           fetch-depth: 0
 
diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index 945ea1c..fe0cbea 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -14,6 +14,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
         with:
+          repository: ${{ github.event.repository.full_name }}
           ref: ${{ github.head_ref }}
           fetch-depth: 0
 
diff --git a/.github/workflows/webpack-test.yml b/.github/workflows/webpack-test.yml
index 2edd468..a9bf04e 100644
--- a/.github/workflows/webpack-test.yml
+++ b/.github/workflows/webpack-test.yml
@@ -10,6 +10,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
         with:
+          repository: ${{ github.event.repository.full_name }}
           ref: ${{ github.head_ref }}
 
       - name: Get commit SHA