diff --git a/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py b/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py
index fab52aeefd28b..bf8a57e73e90b 100644
--- a/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py
+++ b/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py
@@ -150,6 +150,8 @@ class Config(OneOfOptionConfig):
 
     @validator("delimiter")
     def validate_delimiter(cls, v: str) -> str:
+        if v == r"\t":
+            return v
         if len(v) != 1:
             raise ValueError("delimiter should only be one character")
         if v in {"\r", "\n"}:
diff --git a/airbyte-cdk/python/unit_tests/sources/file_based/config/test_csv_format.py b/airbyte-cdk/python/unit_tests/sources/file_based/config/test_csv_format.py
index 4b1b2bb9fcadb..1b2d23b810cc2 100644
--- a/airbyte-cdk/python/unit_tests/sources/file_based/config/test_csv_format.py
+++ b/airbyte-cdk/python/unit_tests/sources/file_based/config/test_csv_format.py
@@ -5,7 +5,7 @@
 import unittest
 
 import pytest
-from airbyte_cdk.sources.file_based.config.csv_format import CsvHeaderAutogenerated, CsvHeaderFromCsv, CsvHeaderUserProvided
+from airbyte_cdk.sources.file_based.config.csv_format import CsvFormat, CsvHeaderAutogenerated, CsvHeaderFromCsv, CsvHeaderUserProvided
 from pydantic import ValidationError
 
 
@@ -26,3 +26,8 @@ def test_given_autogenerated_then_csv_does_not_have_header_row(self) -> None:
 
     def test_given_from_csv_then_csv_has_header_row(self) -> None:
         assert CsvHeaderFromCsv().has_header_row()
+
+
+class CsvDelimiterTest(unittest.TestCase):
+    def test_tab_delimter(self):
+        assert CsvFormat(delimiter=r"\t").delimiter == '\\t'
diff --git a/airbyte-integrations/connectors/source-s3/metadata.yaml b/airbyte-integrations/connectors/source-s3/metadata.yaml
index acbed125e6543..055abf46d9f25 100644
--- a/airbyte-integrations/connectors/source-s3/metadata.yaml
+++ b/airbyte-integrations/connectors/source-s3/metadata.yaml
@@ -10,7 +10,7 @@ data:
   connectorSubtype: file
   connectorType: source
   definitionId: 69589781-7828-43c5-9f63-8925b1c1ccc2
-  dockerImageTag: 4.5.5
+  dockerImageTag: 4.5.6
   dockerRepository: airbyte/source-s3
   documentationUrl: https://docs.airbyte.com/integrations/sources/s3
   githubIssueLabel: source-s3
diff --git a/airbyte-integrations/connectors/source-s3/pyproject.toml b/airbyte-integrations/connectors/source-s3/pyproject.toml
index 6f12b067f1013..b19e21b9612d2 100644
--- a/airbyte-integrations/connectors/source-s3/pyproject.toml
+++ b/airbyte-integrations/connectors/source-s3/pyproject.toml
@@ -3,7 +3,7 @@ requires = [ "poetry-core>=1.0.0",]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
-version = "4.5.5"
+version = "4.5.6"
 name = "source-s3"
 description = "Source implementation for S3."
 authors = [ "Airbyte <contact@airbyte.io>",]
diff --git a/docs/integrations/sources/s3.md b/docs/integrations/sources/s3.md
index ff8263e911c55..0fa3b9dbc96cc 100644
--- a/docs/integrations/sources/s3.md
+++ b/docs/integrations/sources/s3.md
@@ -264,6 +264,7 @@ To perform the text extraction from PDF and Docx files, the connector uses the [
 
 | Version | Date       | Pull Request                                                                                                    | Subject                                                                                                              |
 |:--------|:-----------|:----------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------|
+| 4.5.6   | 2024-02-21 | [35246](https://github.com/airbytehq/airbyte/pull/35246)                                                        | Fixes bug that occurred when creating CSV streams with tab delimiter.                                                |
 | 4.5.5   | 2024-02-18 | [35392](https://github.com/airbytehq/airbyte/pull/35392)                                                        | Add support filtering by start date                                                                                  |
 | 4.5.4   | 2024-02-15 | [35055](https://github.com/airbytehq/airbyte/pull/35055)                                                        | Temporarily revert concurrency                                                                                       |
 | 4.5.3   | 2024-02-12 | [35164](https://github.com/airbytehq/airbyte/pull/35164)                                                        | Manage dependencies with Poetry.                                                                                     |