diff --git a/.github/workflows/json-master.yml b/.github/workflows/json-master.yml
index 95ae146..5cb27f6 100644
--- a/.github/workflows/json-master.yml
+++ b/.github/workflows/json-master.yml
@@ -23,7 +23,9 @@ jobs:
 #        run: echo "RELEASE_DATE=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
         
       - name: Checkout repository
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ github.head_ref }}
       
       - name: Configure git
         run: |
diff --git a/json-backups/current/sourcetree.json b/json-backups/current/sourcetree.json
deleted file mode 100644
index e3a718c..0000000
--- a/json-backups/current/sourcetree.json
+++ /dev/null
@@ -1 +0,0 @@
-download([{"ZipFile":"https://product-downloads.atlassian.com/software/sourcetree/ga/Sourcetree_4.0.2_236.zip","Version":"4.0.2_236"},{"ZipFile":"https://product-downloads.atlassian.com/software/sourcetree/windows/ga/SourceTreeSetup-3.4.1.exe","Version":"3.4.1"},{"ZipFile":"https://product-downloads.atlassian.com/software/sourcetree/windows/ga/SourcetreeEnterpriseSetup_3.4.1.msi","Version":"3.4.1"}])