diff --git a/testmon/__init__.py b/testmon/__init__.py
index 140b5d9..738ddcd 100644
--- a/testmon/__init__.py
+++ b/testmon/__init__.py
@@ -1,2 +1,2 @@
 """PYTEST_DONT_REWRITE"""
-VERSION = "2.0.12"
+VERSION = "2.0.13"
diff --git a/testmon/db.py b/testmon/db.py
index 90e04fd..39e7048 100644
--- a/testmon/db.py
+++ b/testmon/db.py
@@ -8,7 +8,7 @@
 from testmon.process_code import blob_to_checksums, checksums_to_blob
 
 
-DATA_VERSION = 12
+DATA_VERSION = 13
 
 ChangedFileData = namedtuple(
     "ChangedFileData", "filename name method_checksums id failed"
@@ -54,6 +54,8 @@ def __init__(self, datafile):
         if new_db or old_format:
             self.init_tables()
 
+        self.con.executescript(self._local_temp_tables_statement())
+
     def version_compatibility(self):
         return DATA_VERSION
 
@@ -349,13 +351,19 @@ def _create_test_execution_statement(self):
                 forced BIT,
                 FOREIGN KEY({self._test_execution_fk_column()}) REFERENCES {self._test_execution_fk_table()}(id));
                 CREATE INDEX test_execution_fk_name ON test_execution ({self._test_execution_fk_column()}, test_name);
+            """
+
+    def _create_temp_tables_statement(self):
+        return ""
 
-                CREATE TABLE changed_files_fshas (exec_id INTEGER, filename TEXT, fsha TEXT);
+    def _local_temp_tables_statement(self):
+        return """
+                CREATE TEMPORARY TABLE changed_files_fshas (exec_id INTEGER, filename TEXT, fsha TEXT);
                 CREATE INDEX changed_files_fshas_mcall ON changed_files_fshas (exec_id, filename, fsha);
 
-                CREATE TABLE changed_files_mhashes (exec_id INTEGER, filename TEXT, mhashes BLOB);
+                CREATE TEMPORARY TABLE changed_files_mhashes (exec_id INTEGER, filename TEXT, mhashes BLOB);
                 CREATE INDEX changed_files_mhashes_eid ON changed_files_mhashes (exec_id);
-            """
+        """
 
     def _create_file_fp_statement(self):
         return """
@@ -397,6 +405,7 @@ def init_tables(self):
             self._create_metadata_statement()
             + self._create_environment_statement()
             + self._create_test_execution_statement()
+            + self._create_temp_tables_statement()
             + self._create_file_fp_statement()
             + self._create_test_execution_ffp_statement()
         )