diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9561c40c..3a1637c8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -65,7 +65,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4.3.0
         with:
-          python-version: "3.8"
+          python-version: "3.9"
 
       - name: Install python dependencies
         run: |
@@ -86,7 +86,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     env:
       TOXENV: "unit"
@@ -138,7 +138,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4.3.0
         with:
-          python-version: "3.8"
+          python-version: "3.9"
 
       - name: Install python dependencies
         run: |
@@ -183,7 +183,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - name: Set up Python ${{ matrix.python-version }}
@@ -207,9 +207,6 @@ jobs:
       - name: Install wheel distributions
         run: |
           find ./dist/*.whl -maxdepth 1 -type f | xargs python -m pip install --force-reinstall --find-links=dist/
-      - name: Install dbt-core
-        run: |
-          python -m pip install dbt-core==1.8.0rc2
       - name: Check wheel distributions
         run: |
           dbt --version
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73ee0e72..cb759c85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,7 +22,8 @@
 
 - Significant refactoring and increased testing of python_submissions ([830](https://github.com/databricks/dbt-databricks/pull/830))
 - Fix places where we were not properly closing cursors, and other test warnings ([713](https://github.com/databricks/dbt-databricks/pull/713))
-- Upgrade databricks-sql-connector dependency to 3.4.0 ([790](https://github.com/databricks/dbt-databricks/pull/790))
+- Drop support for Python 3.8 ([713](https://github.com/databricks/dbt-databricks/pull/713))
+- Upgrade databricks-sql-connector dependency to 3.5.0 ([833](https://github.com/databricks/dbt-databricks/pull/833))
 
 ## dbt-databricks 1.8.7 (October 10, 2024)
 
diff --git a/requirements.txt b/requirements.txt
index 3df5cb12..fb9c7f54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-databricks-sql-connector>=3.4.0, <3.5.0
-dbt-spark~=1.8.0
+databricks-sql-connector>=3.5.0, <4.0
+dbt-spark>=1.9.0b1, <2.0
 dbt-core>=1.9.0b1, <2.0
 dbt-common>=1.10.0, <2.0
 dbt-adapters>=1.7.0, <2.0
diff --git a/setup.py b/setup.py
index 2cf2f378..5c236324 100644
--- a/setup.py
+++ b/setup.py
@@ -3,9 +3,9 @@
 import sys
 
 # require python 3.8 or newer
-if sys.version_info < (3, 8):
+if sys.version_info < (3, 9):
     print("Error: dbt does not support this version of Python.")
-    print("Please upgrade to Python 3.8 or higher.")
+    print("Please upgrade to Python 3.9 or higher.")
     sys.exit(1)
 
 
@@ -54,16 +54,15 @@ def _get_plugin_version() -> str:
     packages=find_namespace_packages(include=["dbt", "dbt.*"]),
     include_package_data=True,
     install_requires=[
-        "dbt-spark>=1.8.0, <2.0",
+        "dbt-spark>=1.9.0b1, <2.0",
         "dbt-core>=1.9.0b1, <2.0",
         "dbt-adapters>=1.7.0, <2.0",
         "dbt-common>=1.10.0, <2.0",
-        "databricks-sql-connector>=3.4.0, <3.5.0",
+        "databricks-sql-connector>=3.5.0, <4.0.0",
         "databricks-sdk==0.17.0",
         "keyring>=23.13.0",
         "pandas<2.2.0",
         "protobuf<5.0.0",
-        "pydantic~=2.7.0",
     ],
     zip_safe=False,
     classifiers=[
@@ -72,10 +71,10 @@ def _get_plugin_version() -> str:
         "Operating System :: Microsoft :: Windows",
         "Operating System :: MacOS :: MacOS X",
         "Operating System :: POSIX :: Linux",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
     ],
-    python_requires=">=3.8",
+    python_requires=">=3.9",
 )