diff --git a/.changes/unreleased/Under the Hood-20220411-213914.yaml b/.changes/unreleased/Under the Hood-20220411-213914.yaml
new file mode 100644
index 00000000000..febbb12e570
--- /dev/null
+++ b/.changes/unreleased/Under the Hood-20220411-213914.yaml	
@@ -0,0 +1,7 @@
+kind: Under the Hood
+body: ""
+time: 2022-04-11T21:39:14.402268-04:00
+custom:
+  Author: leahwicz
+  Issue: "5033"
+  PR: "5032"
diff --git a/core/dbt/contracts/graph/manifest.py b/core/dbt/contracts/graph/manifest.py
index 5a8309d3319..736460cf5e7 100644
--- a/core/dbt/contracts/graph/manifest.py
+++ b/core/dbt/contracts/graph/manifest.py
@@ -1091,7 +1091,7 @@ def __init__(self, macros):
 
 
 @dataclass
-@schema_version("manifest", 4)
+@schema_version("manifest", 5)
 class WritableManifest(ArtifactMixin):
     nodes: Mapping[UniqueID, ManifestNode] = field(
         metadata=dict(description=("The nodes defined in the dbt project and its dependencies"))
diff --git a/test/integration/029_docs_generate_tests/test_docs_generate.py b/test/integration/029_docs_generate_tests/test_docs_generate.py
index 0623c4f25e0..7075fe795b0 100644
--- a/test/integration/029_docs_generate_tests/test_docs_generate.py
+++ b/test/integration/029_docs_generate_tests/test_docs_generate.py
@@ -646,7 +646,7 @@ def expected_seeded_manifest(self, model_database=None, quote_model=False):
         )
 
         return {
-            'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v4.json',
+            'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v5.json',
             'dbt_version': dbt.version.__version__,
             'nodes': {
                 'model.test.model': {
@@ -1237,7 +1237,7 @@ def expected_postgres_references_manifest(self, model_database=None):
         snapshot_path = self.dir('snapshot/snapshot_seed.sql')
 
         return {
-            'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v4.json',
+            'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v5.json',
             'dbt_version': dbt.version.__version__,
             'nodes': {
                 'model.test.ephemeral_copy': {
@@ -1819,7 +1819,7 @@ def verify_manifest(self, expected_manifest):
             elif key == 'metadata':
                 metadata = manifest['metadata']
                 self.verify_metadata(
-                    metadata, 'https://schemas.getdbt.com/dbt/manifest/v4.json')
+                    metadata, 'https://schemas.getdbt.com/dbt/manifest/v5.json')
                 assert 'project_id' in metadata and metadata[
                     'project_id'] == '098f6bcd4621d373cade4e832627b4f6'
                 assert 'send_anonymous_usage_stats' in metadata and metadata[
diff --git a/test/unit/test_manifest.py b/test/unit/test_manifest.py
index 35a5dad1975..1b7ec64b485 100644
--- a/test/unit/test_manifest.py
+++ b/test/unit/test_manifest.py
@@ -311,7 +311,7 @@ def test__no_nodes(self):
                 'child_map': {},
                 'metadata': {
                     'generated_at': '2018-02-14T09:15:13Z',
-                    'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v4.json',
+                    'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v5.json',
                     'dbt_version': dbt.version.__version__,
                     'env': {ENV_KEY_NAME: 'value'},
                     'invocation_id': invocation_id,
@@ -462,7 +462,7 @@ def test_no_nodes_with_metadata(self, mock_user):
                 'docs': {},
                 'metadata': {
                     'generated_at': '2018-02-14T09:15:13Z',
-                    'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v4.json',
+                    'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v5.json',
                     'dbt_version': dbt.version.__version__,
                     'project_id': '098f6bcd4621d373cade4e832627b4f6',
                     'user_id': 'cfc9500f-dc7f-4c83-9ea7-2c581c1b38cf',
@@ -708,7 +708,7 @@ def test__no_nodes(self):
                 'child_map': {},
                 'metadata': {
                     'generated_at': '2018-02-14T09:15:13Z',
-                    'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v4.json',
+                    'dbt_schema_version': 'https://schemas.getdbt.com/dbt/manifest/v5.json',
                     'dbt_version': dbt.version.__version__,
                     'invocation_id': '01234567-0123-0123-0123-0123456789ab',
                     'env': {ENV_KEY_NAME: 'value'},