diff --git a/tests/prague/eip6110_deposits/test_deposits.py b/tests/prague/eip6110_deposits/test_deposits.py
index 186bc657bd..5be5457e8a 100644
--- a/tests/prague/eip6110_deposits/test_deposits.py
+++ b/tests/prague/eip6110_deposits/test_deposits.py
@@ -301,6 +301,7 @@
                 ),
             ],
             id="many_deposits_from_contract",
+            marks=pytest.mark.slow,
         ),
         pytest.param(
             [
@@ -472,6 +473,7 @@
                 ),
             ],
             id="many_deposits_from_contract_oog",
+            marks=pytest.mark.slow,
         ),
         pytest.param(
             [