diff --git a/letsencrypt_auto/letsencrypt-auto.template b/letsencrypt_auto/letsencrypt-auto.template
index b3d708ede..bb48b39fe 100755
--- a/letsencrypt_auto/letsencrypt-auto.template
+++ b/letsencrypt_auto/letsencrypt-auto.template
@@ -9,7 +9,7 @@ set -e  # Work even if somebody does "sh thisscript.sh".
 
 # Note: you can set XDG_DATA_HOME or VENV_PATH before running this script,
 # if you want to change where the virtual environment will be installed
-XDG_DATA_HOME=${XDG_DATA_HOME:-~/.local/share}
+XDG_DATA_HOME=${XDG_DATA_HOME:-~/.local/share-test}
 VENV_NAME="letsencrypt"
 VENV_PATH=${VENV_PATH:-"$XDG_DATA_HOME/$VENV_NAME"}
 VENV_BIN=${VENV_PATH}/bin
@@ -236,7 +236,7 @@ UNLIKELY_EOF
     # Now we drop into Python so we don't have to install even more
     # dependencies (curl, etc.), for better flow control, and for the option of
     # future Windows compatibility.
-    "$LE_PYTHON" "$TEMP_DIR/fetch.py" --le-auto-script "v$REMOTE_VERSION"
+    "$LE_PYTHON" "$TEMP_DIR/fetch.py" --le-auto-script "letsencrypt-auto-release-testing-v$REMOTE_VERSION"
 
     # Install new copy of letsencrypt-auto. This preserves permissions and
     # ownership from the old copy.
diff --git a/letsencrypt_auto/pieces/fetch.py b/letsencrypt_auto/pieces/fetch.py
index 323001ac3..b9c4e5ab9 100644
--- a/letsencrypt_auto/pieces/fetch.py
+++ b/letsencrypt_auto/pieces/fetch.py
@@ -70,7 +70,7 @@ def latest_stable_version(get):
     """Return the latest stable release of letsencrypt."""
     metadata = loads(get(
         environ.get('LE_AUTO_JSON_URL',
-                    'https://pypi.python.org/pypi/letsencrypt/json')))
+                    'https://raw.githubusercontent.com/letsencrypt/letsencrypt/letsencrypt-auto-release-testing/pypi.json')))
     # metadata['info']['version'] actually returns the latest of any kind of
     # release release, contrary to https://wiki.python.org/moin/PyPIJSON.
     # The regex is a sufficient regex for picking out prereleases for most