diff --git a/scripts/001-dvp.sh b/scripts/001-dvp.sh
index a22d55a..35e88ba 100755
--- a/scripts/001-dvp.sh
+++ b/scripts/001-dvp.sh
@@ -25,9 +25,9 @@ fi
 if test ! -d "$REPO_FOLDER"; then
   git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-  git -C "$REPO_FOLDER" fetch origin
-  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
-  git -C "$REPO_FOLDER" checkout "$REPO_REF"
+  git -C "$REPO_FOLDER" remote set-url origin "$REPO_URL"
+  git -C "$REPO_FOLDER" fetch origin "$REPO_REF" --depth=1
+  git -C "$REPO_FOLDER" checkout -f FETCH_HEAD
 fi
 
 cd "$REPO_FOLDER"
diff --git a/scripts/002-iop.sh b/scripts/002-iop.sh
index 9537d96..1a752db 100755
--- a/scripts/002-iop.sh
+++ b/scripts/002-iop.sh
@@ -25,9 +25,9 @@ fi
 if test ! -d "$REPO_FOLDER"; then
   git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-  git -C "$REPO_FOLDER" fetch origin
-  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
-  git -C "$REPO_FOLDER" checkout "$REPO_REF"
+  git -C "$REPO_FOLDER" remote set-url origin "$REPO_URL"
+  git -C "$REPO_FOLDER" fetch origin "$REPO_REF" --depth=1
+  git -C "$REPO_FOLDER" checkout -f FETCH_HEAD
 fi
 
 cd "$REPO_FOLDER"
diff --git a/scripts/003-ee.sh b/scripts/003-ee.sh
index 06bea7f..4f1451b 100755
--- a/scripts/003-ee.sh
+++ b/scripts/003-ee.sh
@@ -25,9 +25,9 @@ fi
 if test ! -d "$REPO_FOLDER"; then
   git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-  git -C "$REPO_FOLDER" fetch origin
-  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
-  git -C "$REPO_FOLDER" checkout "$REPO_REF"
+  git -C "$REPO_FOLDER" remote set-url origin "$REPO_URL"
+  git -C "$REPO_FOLDER" fetch origin "$REPO_REF" --depth=1
+  git -C "$REPO_FOLDER" checkout -f FETCH_HEAD
 fi
 
 cd "$REPO_FOLDER"