diff --git a/etrago/appl.py b/etrago/appl.py
index 830aac2a..8e2a4aa5 100644
--- a/etrago/appl.py
+++ b/etrago/appl.py
@@ -49,7 +49,7 @@
 
 args = {
     # Setup and Configuration:
-    "db": "status2019_v2",  # database session
+    "db": "status2019_v4",  # database session
     "gridversion": None,  # None for model_draft or Version number
     "method": {  # Choose method and settings for optimization
         "type": "lopf",  # type of optimization, 'lopf' or 'sclopf'