diff --git a/antithesis-tests/stress-composer/first_setup.py b/antithesis-tests/stress-composer/first_setup.py
index c3a3c8351..50a5f73b4 100755
--- a/antithesis-tests/stress-composer/first_setup.py
+++ b/antithesis-tests/stress-composer/first_setup.py
@@ -35,7 +35,7 @@ cur_init.execute("CREATE TABLE schemas (schema TEXT, tbl INT)")
 cur_init.execute("CREATE TABLE tables (count INT)")
 
 try:
-    con = turso.connect("stress_composer.db")
+    con = turso.connect("stress_composer.db", experimental_indexes=True)
 except Exception as e:
     print(f"Error connecting to database: {e}")
     exit(0)
diff --git a/antithesis-tests/stress-composer/parallel_driver_delete.py b/antithesis-tests/stress-composer/parallel_driver_delete.py
index d2e719fec..1fcb42cd7 100755
--- a/antithesis-tests/stress-composer/parallel_driver_delete.py
+++ b/antithesis-tests/stress-composer/parallel_driver_delete.py
@@ -25,7 +25,7 @@ pk = tbl_schema["pk"]
 cols = [f"col_{col}" for col in range(tbl_schema["colCount"]) if col != pk]
 
 try:
-    con = turso.connect("stress_composer.db")
+    con = turso.connect("stress_composer.db", experimental_indexes=True)
 except Exception as e:
     print(f"Failed to open stress_composer.db. Exiting... {e}")
     exit(0)
diff --git a/antithesis-tests/stress-composer/parallel_driver_insert.py b/antithesis-tests/stress-composer/parallel_driver_insert.py
index bb5a02170..685c98bc4 100755
--- a/antithesis-tests/stress-composer/parallel_driver_insert.py
+++ b/antithesis-tests/stress-composer/parallel_driver_insert.py
@@ -21,7 +21,7 @@ tbl_schema = json.loads(cur_init.execute(f"SELECT schema FROM schemas WHERE tbl
 cols = ", ".join([f"col_{col}" for col in range(tbl_schema["colCount"])])
 
 try:
-    con = turso.connect("stress_composer.db")
+    con = turso.connect("stress_composer.db", experimental_indexes=True)
 except Exception as e:
     print(f"Failed to open stress_composer.db. Exiting... {e}")
     exit(0)
diff --git a/antithesis-tests/stress-composer/parallel_driver_integritycheck.py b/antithesis-tests/stress-composer/parallel_driver_integritycheck.py
index f19226b56..ff608676f 100755
--- a/antithesis-tests/stress-composer/parallel_driver_integritycheck.py
+++ b/antithesis-tests/stress-composer/parallel_driver_integritycheck.py
@@ -21,7 +21,7 @@ tbl_schema = json.loads(cur_init.execute(f"SELECT schema FROM schemas WHERE tbl
 cols = ", ".join([f"col_{col}" for col in range(tbl_schema["colCount"])])
 
 try:
-    con = turso.connect("stress_composer.db")
+    con = turso.connect("stress_composer.db", experimental_indexes=True)
 except Exception as e:
     print(f"Failed to open stress_composer.db. Exiting... {e}")
     exit(0)
diff --git a/antithesis-tests/stress-composer/parallel_driver_rollback.py b/antithesis-tests/stress-composer/parallel_driver_rollback.py
index 9dc3f284e..f730f1041 100755
--- a/antithesis-tests/stress-composer/parallel_driver_rollback.py
+++ b/antithesis-tests/stress-composer/parallel_driver_rollback.py
@@ -21,7 +21,7 @@ tbl_schema = json.loads(cur_init.execute(f"SELECT schema FROM schemas WHERE tbl
 cols = ", ".join([f"col_{col}" for col in range(tbl_schema["colCount"])])
 
 try:
-    con = turso.connect("stress_composer.db")
+    con = turso.connect("stress_composer.db", experimental_indexes=True)
 except Exception as e:
     print(f"Failed to open stress_composer.db. Exiting... {e}")
     exit(0)
diff --git a/antithesis-tests/stress-composer/parallel_driver_schema_rollback.py b/antithesis-tests/stress-composer/parallel_driver_schema_rollback.py
index 594925797..85ddb5cb3 100755
--- a/antithesis-tests/stress-composer/parallel_driver_schema_rollback.py
+++ b/antithesis-tests/stress-composer/parallel_driver_schema_rollback.py
@@ -22,7 +22,7 @@ tbl_schema = json.loads(cur_init.execute(f"SELECT schema FROM schemas WHERE tbl
 tbl_name = f"tbl_{selected_tbl}"
 
 try:
-    con = turso.connect("stress_composer.db")
+    con = turso.connect("stress_composer.db", experimental_indexes=True)
 except Exception as e:
     print(f"Failed to open stress_composer.db. Exiting... {e}")
     exit(0)
diff --git a/antithesis-tests/stress-composer/parallel_driver_update.py b/antithesis-tests/stress-composer/parallel_driver_update.py
index 101508cc2..50a65b6b6 100755
--- a/antithesis-tests/stress-composer/parallel_driver_update.py
+++ b/antithesis-tests/stress-composer/parallel_driver_update.py
@@ -25,7 +25,7 @@ pk = tbl_schema["pk"]
 cols = [f"col_{col}" for col in range(tbl_schema["colCount"]) if col != pk]
 # print(cols)
 try:
-    con = turso.connect("stress_composer.db")
+    con = turso.connect("stress_composer.db", experimental_indexes=True)
 except Exception as e:
     print(f"Failed to open stress_composer.db. Exiting... {e}")
     exit(0)