diff --git a/docker-builder-data/build/script/include/inc-pkdownload-git.sh b/docker-builder-data/build/script/include/inc-pkdownload-git.sh
index 8509100..152c4ce 100644
--- a/docker-builder-data/build/script/include/inc-pkdownload-git.sh
+++ b/docker-builder-data/build/script/include/inc-pkdownload-git.sh
@@ -6,9 +6,9 @@
 pkdownload() {
     if [ -d "$DOWNLOAD_PACKET_DIR/$PK_DIRNAME/.git" ]; then
         cd "$DOWNLOAD_PACKET_DIR/$PK_DIRNAME"
-        if ! git pull; then
-            return 1
-        fi
+        git fetch || return 1
+        git stash || return 1
+        git reset --hard origin/testing || return 1
     else
         if ! git clone "$PK_URL" $PK_GIT_OPTIONS; then
             return 1