diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a25e84b9e9..b8a1a35eb0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -356,19 +356,12 @@ jobs:
         python-version: [ "3.11" ]
         airflow-version: [ "2.10", "3.0" ]
         dbt-version: ["1.5", "1.6", "1.7", "1.8", "1.9"]
-        # TODO: Add support for dbt 1.6, 1.7, 1.9 for Airflow 3.0.
+        # TODO: Add support for dbt 1.7 for Airflow 3.0.
         #       Issue dbt 1.7: https://github.com/astronomer/astronomer-cosmos/issues/1709
-        #       Issue dbt 1.6 and 1.9: https://github.com/astronomer/astronomer-cosmos/issues/1708
         exclude:
-          - python-version: "3.11"
-            airflow-version: "3.0"
-            dbt-version: "1.6"
           - python-version: "3.11"
             airflow-version: "3.0"
             dbt-version: "1.7"
-          - python-version: "3.11"
-            airflow-version: "3.0"
-            dbt-version: "1.9"
     services:
       postgres:
         image: postgres
diff --git a/scripts/test/integration-dbt-async.sh b/scripts/test/integration-dbt-async.sh
index d4f1d49c08..eefce0bb97 100644
--- a/scripts/test/integration-dbt-async.sh
+++ b/scripts/test/integration-dbt-async.sh
@@ -11,6 +11,19 @@ echo "$DBT_VERSION"
 
 pip uninstall dbt-adapters dbt-common dbt-core dbt-extractor dbt-postgres dbt-semantic-interfaces -y
 pip install "dbt-postgres==$DBT_VERSION"  "dbt-databricks==$DBT_VERSION" "dbt-bigquery==$DBT_VERSION"
+
+# apache-airflow-core 3.0.0 requires pydantic>=2.11.0, but the above dbt adapters in case of version 1.6 and 1.9 install
+# pydantic 1.10.22 which make it incompatible.
+# With pydantic 1.10.22 we get the below error
+# File "<...>/hatch/env/virtual/astronomer-cosmos/D9FI7Men/tests.py3.11-3.0-1.6/lib/python3.11/site-packages/cadwyn/_utils.py", line 5, in <module>
+#     from pydantic._internal._decorators import unwrap_wrapped_function
+# ModuleNotFoundError: No module named 'pydantic._internal'
+# Hence, we re-install pydantic with the required minimum version after installing dbt adapters.
+if [ "$DBT_VERSION" = "1.6" ] || [ "$DBT_VERSION" = "1.9" ]; then
+    echo "DBT_VERSION is $DBT_VERSION, installing pydantic>=2.11.0 for apache-airflow-core compatibility."
+    pip install "pydantic>2.11.0"
+fi
+
 export SOURCE_RENDERING_BEHAVIOR=all
 rm -rf airflow.*