diff --git a/airbyte-integrations/connectors/source-hubspot/acceptance-test-config.yml b/airbyte-integrations/connectors/source-hubspot/acceptance-test-config.yml
index b8cd948c97e6..cb015c1489fe 100644
--- a/airbyte-integrations/connectors/source-hubspot/acceptance-test-config.yml
+++ b/airbyte-integrations/connectors/source-hubspot/acceptance-test-config.yml
@@ -19,8 +19,10 @@ acceptance_tests:
   discovery:
     tests:
       - config_path: secrets/config_oauth.json
+        # Added missing types to the `Workflows` stream schema
+        # it's a neccessary change
         backward_compatibility_tests_config:
-          disable_for_version: 1.9.0
+          disable_for_version: "4.2.2"
   basic_read:
     tests:
       - config_path: secrets/config_oauth.json
diff --git a/airbyte-integrations/connectors/source-hubspot/metadata.yaml b/airbyte-integrations/connectors/source-hubspot/metadata.yaml
index b9e8c86e9360..d733be71478f 100644
--- a/airbyte-integrations/connectors/source-hubspot/metadata.yaml
+++ b/airbyte-integrations/connectors/source-hubspot/metadata.yaml
@@ -10,7 +10,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: 36c891d9-4bd9-43ac-bad2-10e12756272c
-  dockerImageTag: 4.2.2
+  dockerImageTag: 4.2.3
   dockerRepository: airbyte/source-hubspot
   documentationUrl: https://docs.airbyte.com/integrations/sources/hubspot
   githubIssueLabel: source-hubspot
diff --git a/airbyte-integrations/connectors/source-hubspot/pyproject.toml b/airbyte-integrations/connectors/source-hubspot/pyproject.toml
index a63ae1083d52..24e6498f2d6f 100644
--- a/airbyte-integrations/connectors/source-hubspot/pyproject.toml
+++ b/airbyte-integrations/connectors/source-hubspot/pyproject.toml
@@ -3,7 +3,7 @@ requires = [ "poetry-core>=1.0.0",]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
-version = "4.2.2"
+version = "4.2.3"
 name = "source-hubspot"
 description = "Source implementation for HubSpot."
 authors = [ "Airbyte <contact@airbyte.io>",]
diff --git a/airbyte-integrations/connectors/source-hubspot/source_hubspot/schemas/workflows.json b/airbyte-integrations/connectors/source-hubspot/source_hubspot/schemas/workflows.json
index c3d0924a45f1..492e10868e1d 100644
--- a/airbyte-integrations/connectors/source-hubspot/source_hubspot/schemas/workflows.json
+++ b/airbyte-integrations/connectors/source-hubspot/source_hubspot/schemas/workflows.json
@@ -158,6 +158,7 @@
       "properties": {
         "sourceApplication": {
           "description": "Application details of the workflow update source",
+          "type": ["null", "object"],
           "properties": {
             "serviceName": {
               "description": "Name of the service",
@@ -175,6 +176,7 @@
         },
         "updatedByUser": {
           "description": "Details of the user who updated the workflow",
+          "type": ["null", "object"],
           "properties": {
             "userEmail": {
               "description": "Email address of the user",
@@ -202,6 +204,7 @@
         },
         "createdByUser": {
           "description": "Details of the user who created the workflow",
+          "type": ["null", "object"],
           "properties": {
             "userEmail": {
               "description": "Email address of the user",
@@ -215,6 +218,7 @@
         },
         "sourceApplication": {
           "description": "Application details of the workflow source",
+          "type": ["null", "object"],
           "properties": {
             "serviceName": {
               "description": "Name of the service",
diff --git a/docs/integrations/sources/hubspot.md b/docs/integrations/sources/hubspot.md
index 9e8698c346ff..6625852b09ea 100644
--- a/docs/integrations/sources/hubspot.md
+++ b/docs/integrations/sources/hubspot.md
@@ -337,6 +337,7 @@ The connector is restricted by normal HubSpot [rate limitations](https://legacyd
 
 | Version | Date       | Pull Request                                             | Subject                                                                                                                                                                          |
 |:--------|:-----------| :------------------------------------------------------- |:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| 4.2.3 | 2024-06-06 | [39314](https://github.com/airbytehq/airbyte/pull/39314) | Added missing schema types for the `Workflows` stream schema |
 | 4.2.2 | 2024-06-04 | [38981](https://github.com/airbytehq/airbyte/pull/38981) | [autopull] Upgrade base image to v1.2.1 |
 | 4.2.1 | 2024-05-30 | [38024](https://github.com/airbytehq/airbyte/pull/38024) | etry when attempting to get scopes |
 | 4.2.0 | 2024-05-24 | [38049](https://github.com/airbytehq/airbyte/pull/38049) | Add resumable full refresh support to `contacts_form_submissions` and `contacts_merged_audit` streams |