diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 81656da..df461a4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         dbt-version: ["1.8.0", "1.9.0"]
 
     steps:
diff --git a/Taskfile.yml b/Taskfile.yml
index 679e5d2..860f302 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -59,7 +59,7 @@ tasks:
     cmds:
       - for:
           matrix:
-            python_version: ["3.10", "3.11", "3.12"]
+            python_version: ["3.9", "3.10", "3.11", "3.12"]
             dbt_version: ["1.8.0", "1.9.0"]
         cmd: |
           echo -e "\033[32mtask: [test] uv run pytest (python=={{.ITEM.python_version}} and dbt~={{.ITEM.dbt_version}})\033[0m"
diff --git a/pyproject.toml b/pyproject.toml
index 379015f..277e1c4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,6 @@ classifiers = [
   "Intended Audience :: Developers",
   "Topic :: Software Development :: Build Tools",
   "License :: OSI Approved :: Apache Software License",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",