diff --git a/CHANGES.md b/CHANGES.md
index ffb46c8b..79382c76 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,7 @@
 
 
 ## Unreleased
+- MongoDB: Configure `MongoDBCrateDBConverter` after updating to commons-codec 0.0.18
 
 ## 2024/09/22 v0.0.25
 - Table Loader: Improved conditional handling of "transformation" parameter
diff --git a/cratedb_toolkit/io/mongodb/copy.py b/cratedb_toolkit/io/mongodb/copy.py
index febfbe4b..27ce6bac 100644
--- a/cratedb_toolkit/io/mongodb/copy.py
+++ b/cratedb_toolkit/io/mongodb/copy.py
@@ -57,9 +57,14 @@ def __init__(
             )
             try:
                 transformation = tm.project.get(address=address)
+                logger.info(f"Applying transformation to: {address}")
             except KeyError:
-                pass
-        self.converter = MongoDBCrateDBConverter(transformation=transformation)
+                logger.warning(f"No transformation found for: {address}")
+        self.converter = MongoDBCrateDBConverter(
+            timestamp_to_epoch=True,
+            timestamp_use_milliseconds=True,
+            transformation=transformation,
+        )
         self.translator = MongoDBFullLoadTranslator(table_name=self.cratedb_table, converter=self.converter)
 
         self.on_error = on_error
diff --git a/pyproject.toml b/pyproject.toml
index 58705ed6..fc1bdb08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -167,7 +167,7 @@ kinesis = [
   "lorrystream[carabas]>=0.0.6",
 ]
 mongodb = [
-  "commons-codec[mongodb,zyp]>=0.0.17",
+  "commons-codec[mongodb,zyp]>=0.0.18",
   "cratedb-toolkit[io]",
   "orjson<4,>=3.3.1",
   "pymongo<5,>=3.10.1",