diff --git a/imap_processing/tests/codice/conftest.py b/imap_processing/tests/codice/conftest.py
index e4ca7d5abe..f7096dd7a1 100644
--- a/imap_processing/tests/codice/conftest.py
+++ b/imap_processing/tests/codice/conftest.py
@@ -236,7 +236,7 @@ def _side_effect(descriptor: str = None, data_type: str = None) -> list[Path]:
             return [
                 TEST_DATA_PATH
                 / "l1a_lut"
-                / "imap_codice_l1a-sci-lut_20251007_v004.json"
+                / "imap_codice_l1a-sci-lut_20251218_v001.json"
             ]
         elif descriptor == "l2-hi-omni-efficiency":
             return [
diff --git a/imap_processing/tests/codice/test_codice_l1a_lut.py b/imap_processing/tests/codice/test_codice_l1a_lut.py
index 31e1e33b10..f745ca3a83 100644
--- a/imap_processing/tests/codice/test_codice_l1a_lut.py
+++ b/imap_processing/tests/codice/test_codice_l1a_lut.py
@@ -24,7 +24,7 @@ def test_codice_non_zero_patterns(codice_lut_path):
     sci_lut_path = codice_lut_path(descriptor="l1a-sci-lut")[0]
 
     sci_lut = json.loads(sci_lut_path.read_text())
-    table_id = "3952862729"
+    table_id = "3974360784"
     assert table_id in sci_lut
 
     collapse_lo = sci_lut[table_id]["collapse_lo"]
@@ -98,7 +98,7 @@ def test_get_collapse_pattern_shape(codice_lut_path):
     """
     sci_lut_path = codice_lut_path(descriptor="l1a-sci-lut")[0]
 
-    table_id = "3952862729"
+    table_id = "3974360784"
     sci_lut_data = json.loads(sci_lut_path.read_text()).get(table_id)
 
     # Lo instrument counts - singles
@@ -141,7 +141,7 @@ def test_get_collapse_pattern_shape(codice_lut_path):
 def test_acquisition_time(codice_lut_path):
     sci_lut_path = codice_lut_path(descriptor="l1a-sci-lut")[0]
     sci_lut_data = json.loads(sci_lut_path.read_text())
-    table_id = "3952862729"
+    table_id = "3974360784"
     low_stepping_tab = sci_lut_data[table_id]["lo_stepping_tab"]
     acq_time_per_step = calculate_acq_time_per_step(low_stepping_tab)
     expected_acq_times = (
diff --git a/imap_processing/tests/external_test_data_config.py b/imap_processing/tests/external_test_data_config.py
index c971fb089b..9be6d19677 100644
--- a/imap_processing/tests/external_test_data_config.py
+++ b/imap_processing/tests/external_test_data_config.py
@@ -36,7 +36,7 @@
     ("imap_codice_hskp_20250814_v001.pkts", "codice/data/l1a_input/"),
 
     # L1A LUT
-    ("imap_codice_l1a-sci-lut_20251007_v004.json", "codice/data/l1a_lut/"),
+    ("imap_codice_l1a-sci-lut_20251218_v001.json", "codice/data/l1a_lut/"),
 
     # L1A validation data
     (f"imap_codice_l1a_hi-counters-aggregated_{VALIDATION_FILE_DATE}_{VALIDATION_FILE_VERSION}.cdf", "codice/data/l1a_validation"),
diff --git a/imap_processing/tests/ialirt/unit/test_process_codice.py b/imap_processing/tests/ialirt/unit/test_process_codice.py
index 4e27076406..6e372bbccb 100644
--- a/imap_processing/tests/ialirt/unit/test_process_codice.py
+++ b/imap_processing/tests/ialirt/unit/test_process_codice.py
@@ -351,7 +351,7 @@ def l1a_lut_path():
         / "codice"
         / "data"
         / "l1a_lut"
-        / "imap_codice_l1a-sci-lut_20251007_v004.json"
+        / "imap_codice_l1a-sci-lut_20251218_v001.json"
     )
 
     return lut_path
@@ -400,7 +400,7 @@ def test_create_xarray_dataset_basic(l1a_lut_path):
     science_values = ["0000000100100011"]
     metadata_values = {
         "VIEW_ID": np.array([0]),
-        "TABLE_ID": np.array([3952862729]),
+        "TABLE_ID": np.array([3974360784]),
         "ACQ_START_SECONDS": np.array([1625078400]),
         "ACQ_START_SUBSECONDS": np.array([0]),
         "SPIN_PERIOD": np.array([24]),