diff --git a/docs/website/docs/dlt-ecosystem/destinations/snowflake.md b/docs/website/docs/dlt-ecosystem/destinations/snowflake.md
index 16d579ee29..5efc31dde8 100644
--- a/docs/website/docs/dlt-ecosystem/destinations/snowflake.md
+++ b/docs/website/docs/dlt-ecosystem/destinations/snowflake.md
@@ -66,7 +66,7 @@ Now you can use the user named `LOADER` to access database `DLT_DATA` and log in
 You can also decrease the suspend time for your warehouse to 1 minute (**Admin**/**Warehouses** in Snowflake UI)
 
 ### Authentication types
-Snowflake destination accepts two authentication type
+Snowflake destination accepts three authentication types
 - password authentication
 - [key pair authentication](https://docs.snowflake.com/en/user-guide/key-pair-auth)
 
@@ -95,6 +95,17 @@ If you pass a passphrase in the connection string, please url encode it.
 destination.snowflake.credentials="snowflake://loader:<password>@kgiotue-wn98412/dlt_data?private_key=<base64 encoded pem>&private_key_passphrase=<url encoded passphrase>"
 ```
 
+In **external authentication** you can use oauth provider like Okta or external browser to authenticate. You pass your authenticator and refresh token as below:
+```toml
+[destination.snowflake.credentials]
+database = "dlt_data"
+username = "loader"
+authenticator="..."
+token="..."
+```
+or in connection string as query parameters.
+Refer to Snowflake [OAuth](https://docs.snowflake.com/en/user-guide/oauth-intro) for more details.
+
 ## Write disposition
 All write dispositions are supported
 
diff --git a/poetry.lock b/poetry.lock
index 15c257b607..159b81f9fa 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -30,7 +30,7 @@ name = "agate"
 version = "1.6.3"
 description = "A data analysis library that is optimized for humans instead of machines."
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -1428,7 +1428,7 @@ name = "dbt-core"
 version = "1.5.6"
 description = "With dbt, data analysts and engineers can build analytics the way engineers build applications."
 category = "main"
-optional = true
+optional = false
 python-versions = ">=3.7.2"
 
 [package.dependencies]
@@ -1460,7 +1460,7 @@ name = "dbt-duckdb"
 version = "1.5.2"
 description = "The duckdb adapter plugin for dbt (data build tool)"
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -1475,7 +1475,7 @@ name = "dbt-extractor"
 version = "0.4.1"
 description = "A tool to analyze and extract information from Jinja used in dbt projects."
 category = "main"
-optional = true
+optional = false
 python-versions = ">=3.6.1"
 
 [[package]]
@@ -1661,7 +1661,7 @@ name = "duckdb"
 version = "0.9.1"
 description = "DuckDB embedded database"
 category = "main"
-optional = true
+optional = false
 python-versions = ">=3.7.0"
 
 [[package]]
@@ -2012,7 +2012,7 @@ name = "future"
 version = "0.18.3"
 description = "Clean single-source support for Python 3 and 2"
 category = "main"
-optional = true
+optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
@@ -2406,7 +2406,7 @@ name = "hologram"
 version = "0.0.16"
 description = "JSON schema generation from dataclasses"
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -2533,7 +2533,7 @@ name = "isodate"
 version = "0.6.1"
 description = "An ISO 8601 date/time/duration parser and formatter"
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -2686,7 +2686,7 @@ name = "leather"
 version = "0.3.4"
 description = "Python charting for 80% of humans."
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -2748,7 +2748,7 @@ name = "logbook"
 version = "1.5.3"
 description = "A logging replacement for Python"
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.extras]
@@ -2900,7 +2900,7 @@ name = "mashumaro"
 version = "3.6"
 description = "Fast serialization library on top of dataclasses"
 category = "main"
-optional = true
+optional = false
 python-versions = ">=3.7"
 
 [package.dependencies]
@@ -2950,7 +2950,7 @@ name = "minimal-snowplow-tracker"
 version = "0.0.2"
 description = "A minimal snowplow event tracker for Python. Add analytics to your Python and Django apps, webapps and games"
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -3001,7 +3001,7 @@ name = "msgpack"
 version = "1.0.5"
 description = "MessagePack serializer"
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [[package]]
@@ -3099,7 +3099,7 @@ name = "networkx"
 version = "2.8.8"
 description = "Python package for creating and manipulating graphs and networks"
 category = "main"
-optional = true
+optional = false
 python-versions = ">=3.8"
 
 [package.extras]
@@ -3324,7 +3324,7 @@ name = "parsedatetime"
 version = "2.4"
 description = "Parse human-readable date/time text."
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -3875,7 +3875,7 @@ name = "pytimeparse"
 version = "1.1.8"
 description = "Time expression parser"
 category = "main"
-optional = true
+optional = false
 python-versions = "*"
 
 [[package]]
@@ -4861,7 +4861,7 @@ weaviate = ["weaviate-client"]
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.8.1,<4.0"
-content-hash = "7d5b9bfb96bfd08e2b6843df885a3ff605abe603250db78e35350e18bc933a64"
+content-hash = "8afa9a4b0b11ff48506bd5424b6e64a181ff52955dcce41e1bc43c63738c4062"
 
 [metadata.files]
 about-time = [
diff --git a/pyproject.toml b/pyproject.toml
index 3795f0096b..5c159fd8d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -160,6 +160,8 @@ pymysql = "^1.1.0"
 pypdf2 = "^3.0.1"
 pydoc-markdown = "^4.8.2"
 connectorx="0.3.1"
+dbt-core=">=1.2.0"
+dbt-duckdb=">=1.2.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.8"]