diff --git a/layercake/layercake/dynamodb.py b/layercake/layercake/dynamodb.py
index 37cd59e..5b649db 100644
--- a/layercake/layercake/dynamodb.py
+++ b/layercake/layercake/dynamodb.py
@@ -337,6 +337,7 @@ class TransactItems:
         table_name: str | None = None,
         expr_attr_names: dict = {},
         expr_attr_values: dict = {},
+        exc_cls: Type[Exception] | None = None,
     ) -> None:
         attrs: dict = {}
 
@@ -361,7 +362,8 @@ class TransactItems:
                         UpdateExpression=update_expr,
                         **attrs,
                     )
-                }
+                },
+                exc_cls,
             )
         )
 
@@ -389,7 +391,7 @@ class TransactItems:
                         **attrs,
                     )
                 }
-            )
+            ),
         )
 
     def delete(
@@ -400,6 +402,7 @@ class TransactItems:
         cond_expr: str | None = None,
         expr_attr_names: dict = {},
         expr_attr_values: dict = {},
+        exc_cls: Type[Exception] | None = None,
     ) -> None:
         attrs: dict = {}
 
@@ -423,8 +426,9 @@ class TransactItems:
                         Key=serialize(key),
                         **attrs,
                     )
-                }
-            )
+                },
+                exc_cls,
+            ),
         )
 
     def condition(
@@ -435,6 +439,7 @@ class TransactItems:
         table_name: str | None = None,
         expr_attr_names: dict = {},
         expr_attr_values: dict = {},
+        exc_cls: Type[Exception] | None = None,
     ) -> None:
         attrs: dict = {'ConditionExpression': cond_expr}
 
@@ -455,7 +460,8 @@ class TransactItems:
                         Key=serialize(key),
                         **attrs,
                     )
-                }
+                },
+                exc_cls,
             )
         )
 
diff --git a/layercake/pyproject.toml b/layercake/pyproject.toml
index 05dc2a4..1aa428b 100644
--- a/layercake/pyproject.toml
+++ b/layercake/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "layercake"
-version = "0.2.17"
+version = "0.2.19"
 description = "Packages shared dependencies to optimize deployment and ensure consistency across functions."
 readme = "README.md"
 authors = [
diff --git a/layercake/template.yaml b/layercake/template.yaml
index 1918f8c..def7df0 100644
--- a/layercake/template.yaml
+++ b/layercake/template.yaml
@@ -16,8 +16,7 @@ Resources:
       CompatibleRuntimes:
         - python3.12
         - python3.13
-      # RetentionPolicy: Delete
-      RetentionPolicy: Retain
+      RetentionPolicy: Delete
     Metadata:
       BuildMethod: python3.13
       BuildArchitecture: x86_64
diff --git a/layercake/uv.lock b/layercake/uv.lock
index abd708f..2bb0469 100644
--- a/layercake/uv.lock
+++ b/layercake/uv.lock
@@ -589,7 +589,7 @@ wheels = [
 
 [[package]]
 name = "layercake"
-version = "0.2.17"
+version = "0.2.19"
 source = { editable = "." }
 dependencies = [
     { name = "arnparse" },