diff --git a/core/dbt/artifacts/resources/v1/source_definition.py b/core/dbt/artifacts/resources/v1/source_definition.py
index e09095fa0af..d12de028dc0 100644
--- a/core/dbt/artifacts/resources/v1/source_definition.py
+++ b/core/dbt/artifacts/resources/v1/source_definition.py
@@ -74,3 +74,4 @@ class SourceDefinition(ParsedSourceMandatory):
     created_at: float = field(default_factory=lambda: time.time())
     unrendered_database: Optional[str] = None
     unrendered_schema: Optional[str] = None
+    doc_blocks: List[List[str]] = field(default_factory=list)
diff --git a/core/dbt/parser/manifest.py b/core/dbt/parser/manifest.py
index e941bcdfd62..767cc6e9267 100644
--- a/core/dbt/parser/manifest.py
+++ b/core/dbt/parser/manifest.py
@@ -1714,17 +1714,17 @@ def _process_docs_for_source(
     context: Dict[str, Any],
     source: SourceDefinition,
 ):
-    table_description = source.description
-    source_description = source.source_description
-    table_description = get_rendered(table_description, context)
-    source_description = get_rendered(source_description, context)
-    source.description = table_description
-    source.source_description = source_description
+    source.description, source.doc_blocks = _get_description_and_doc_blocks(
+        source.description, context
+    )
+    source.source_description, source.doc_blocks = _get_description_and_doc_blocks(
+        source.source_description, context
+    )
 
     for column in source.columns.values():
-        column_desc = column.description
-        column_desc = get_rendered(column_desc, context)
-        column.description = column_desc
+        column.description, column.doc_blocks = _get_description_and_doc_blocks(
+            column.description, context
+        )
 
 
 # macro argument descriptions
diff --git a/schemas/dbt/manifest/v12.json b/schemas/dbt/manifest/v12.json
index 987a94355ab..55a822c32e1 100644
--- a/schemas/dbt/manifest/v12.json
+++ b/schemas/dbt/manifest/v12.json
@@ -8426,6 +8426,15 @@
               }
             ],
             "default": null
+          },
+          "doc_blocks": {
+            "type": "array",
+            "items": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            }
           }
         },
         "additionalProperties": false,
@@ -18431,6 +18440,15 @@
                         }
                       ],
                       "default": null
+                    },
+                    "doc_blocks": {
+                      "type": "array",
+                      "items": {
+                        "type": "array",
+                        "items": {
+                          "type": "string"
+                        }
+                      }
                     }
                   },
                   "additionalProperties": false,
diff --git a/tests/functional/artifacts/expected_manifest.py b/tests/functional/artifacts/expected_manifest.py
index 06478e0cc1d..31fb129c379 100644
--- a/tests/functional/artifacts/expected_manifest.py
+++ b/tests/functional/artifacts/expected_manifest.py
@@ -1319,7 +1319,7 @@ def expected_references_manifest(project):
                         "tags": [],
                         "constraints": [],
                         "granularity": None,
-                        "doc_blocks": [],
+                        "doc_blocks": [["doc", "column_info"]],
                     }
                 },
                 "config": {