diff --git a/src/py_dvt_ate/app/dashboard/app.py b/src/py_dvt_ate/app/dashboard/app.py
index e31b291..372717c 100644
--- a/src/py_dvt_ate/app/dashboard/app.py
+++ b/src/py_dvt_ate/app/dashboard/app.py
@@ -109,8 +109,12 @@ def init_session_state() -> None:
         st.session_state.instruments = InstrumentFactory.create(config)
 
     if "repository" not in st.session_state:
-        # Create test repository (in-memory for dashboard demo)
-        st.session_state.repository = SQLiteRepository(":memory:")
+        # Create test repository (temporary file for dashboard demo)
+        import os
+        import tempfile
+        tmpdir = tempfile.gettempdir()
+        db_path = os.path.join(tmpdir, "py_dvt_ate_dashboard.db")
+        st.session_state.repository = SQLiteRepository(db_path)
 
     if "test_runner" not in st.session_state:
         st.session_state.test_runner = TestRunner(st.session_state.repository)