diff --git a/dbt/include/sqlserver/macros/adapters/persist_docs.sql b/dbt/include/sqlserver/macros/adapters/persist_docs.sql
index 8b3e4f90..38cd9b54 100644
--- a/dbt/include/sqlserver/macros/adapters/persist_docs.sql
+++ b/dbt/include/sqlserver/macros/adapters/persist_docs.sql
@@ -1,4 +1,27 @@
-{# we don't support "persist docs" today, but we'd like to!
-  https://github.com/dbt-msft/dbt-sqlserver/issues/134
-
- #}
+{% macro sqlserver__alter_column_comment(relation, column_dict) -%}
+  {%- set existing_columns = adapter.get_columns_in_relation(relation)|map(attribute="name")|list %}
+  {%- for column_name in column_dict if (column_name in existing_columns) %}
+    {{ log('Alter extended property "MS_Description" to "' ~ column_dict[column_name]['description'] ~ '" for ' ~ relation ~ ' column "' ~ column_name ~ '"') }}
+    if not exists (
+        select 1
+        from
+            sys.extended_properties as ep
+            inner join sys.all_columns as cols
+                on cols.object_id = ep.major_id
+                    and cols.column_id = ep.minor_id
+        where
+            ep.major_id = object_id('{{ relation }}')
+            and ep.name = N'MS_Description'
+            and cols.name = N'{{ column_name }}'
+    )
+        execute sp_addextendedproperty @name = N'MS_Description', @value = N'{{ column_dict[column_name]['description'] }}'
+                                            , @level0type = N'SCHEMA', @level0name = N'{{ relation.schema }}'
+                                            , @level1type = N'{{ relation.type }}', @level1name = N'{{ relation.identifier }}'
+                                            , @level2type = N'COLUMN', @level2name = N'{{ column_name }}';
+    else
+        execute sp_updateextendedproperty @name = N'MS_Description', @value = N'{{ column_dict[column_name]['description'] }}'
+                                            , @level0type = N'SCHEMA', @level0name = N'{{ relation.schema }}'
+                                            , @level1type = N'{{ relation.type }}', @level1name = N'{{ relation.identifier }}'
+                                            , @level2type = N'COLUMN', @level2name = N'{{ column_name }}';
+  {%- endfor %}
+{%- endmacro %}