diff --git a/.changes/unreleased/Features-20240826-220108.yaml b/.changes/unreleased/Features-20240826-220108.yaml
new file mode 100644
index 00000000..f5871356
--- /dev/null
+++ b/.changes/unreleased/Features-20240826-220108.yaml
@@ -0,0 +1,7 @@
+kind: Features
+body: add properties_update_dict as optional argument to trino__create_table_as macro
+time: 2024-08-26T22:01:08.103103-06:00
+custom:
+    Author: james-long-mx
+    Issue: "430"
+    PR: "431"
diff --git a/dbt/include/trino/macros/adapters.sql b/dbt/include/trino/macros/adapters.sql
index faf72b2d..929756f7 100644
--- a/dbt/include/trino/macros/adapters.sql
+++ b/dbt/include/trino/macros/adapters.sql
@@ -99,8 +99,11 @@
   {%- endif -%}
 {%- endmacro -%}
 
-{% macro trino__create_table_as(temporary, relation, sql, replace=False) -%}
+{% macro trino__create_table_as(temporary, relation, sql, replace=False, properties_update_dict=None) -%}
   {%- set _properties = config.get('properties') -%}
+  {%- if properties_update_dict is not None -%}
+    {%- do _properties.update(properties_update_dict) -%}
+  {%- endif -%}
 
   {%- if replace -%}
     {%- set or_replace = ' or replace' -%}