diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 5ab80d5..75d7447 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -1,6 +1,3 @@
-# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
-
 name: Python package
 
 on:
@@ -15,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10']
+        python-version: [3.9, '3.10']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/PKGBUILD b/PKGBUILD
index 144f42e..39ab944 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -11,7 +11,7 @@ depends=('python' 'python-yaml' 'python-numpy' 'python-rich' 'python-click')
 makedepends=('python-setuptools')
 url="https://github.com/mcgillij/amdfan"
 source=("https://github.com/mcgillij/amdfan/releases/download/$pkgver/amdfan-$pkgver.tar.gz")
-md5sums=('387643f8d342c6abd5c9d67d8f9d3687')
+md5sums=('cb938f4c09db0d437e3991402f429114')
 
 build() {
   cd "$srcdir/$pkgname-$pkgver"
diff --git a/poetry.lock b/poetry.lock
index 261a49c..c1788bb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -14,6 +14,7 @@ files = [
 
 [package.dependencies]
 lazy-object-proxy = ">=1.4.0"
+typing-extensions = {version = ">=3.10", markers = "python_version < \"3.10\""}
 wrapt = [
     {version = ">=1.11,<2", markers = "python_version < \"3.11\""},
     {version = ">=1.14,<2", markers = "python_version >= \"3.11\""},
@@ -66,6 +67,7 @@ mypy-extensions = ">=0.4.3"
 pathspec = ">=0.9.0"
 platformdirs = ">=2"
 tomli = {version = ">=1.1.0", markers = "python_full_version < \"3.11.0a7\""}
+typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}
 
 [package.extras]
 colorama = ["colorama (>=0.4.3)"]
@@ -453,6 +455,7 @@ mccabe = ">=0.6,<0.8"
 platformdirs = ">=2.2.0"
 tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 tomlkit = ">=0.10.1"
+typing-extensions = {version = ">=3.10.0", markers = "python_version < \"3.10\""}
 
 [package.extras]
 spelling = ["pyenchant (>=3.2,<4.0)"]
@@ -675,5 +678,5 @@ files = [
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.10"
-content-hash = "f7fe9fccc7b0c9356fa0cb6ba15ecca3be0ad55dd73c8bbf957a685fcbab1ab5"
+python-versions = "^3.9 || ^3.10"
+content-hash = "43d051e9e3f67367d76b2d0910e2672a8726eae801af9180b1d1e518ee6893e4"
diff --git a/pyproject.toml b/pyproject.toml
index b4016a4..624e046 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 include = [ "LICENSE", ]
 
 [tool.poetry.dependencies]
-python = "^3.8 || ^3.9 || ^3.10"
+python = "^3.9 || ^3.10"
 numpy = "^1.24.1"
 pyyaml = "^6.0"
 click = "^8.1.3"
diff --git a/src/amdfan/amdfan.py b/src/amdfan/amdfan.py
index 3d9c283..8bb33bd 100755
--- a/src/amdfan/amdfan.py
+++ b/src/amdfan/amdfan.py
@@ -6,9 +6,10 @@
 import re
 import sys
 import time
-from typing import List, Dict, Callable
+from typing import Any, List, Dict, Callable
 import yaml
 import numpy as np
+from numpy import ndarray
 import click
 
 from rich.console import Console
@@ -292,7 +293,7 @@ def __init__(self, points: list) -> None:
         if np.min(self.speeds) <= 3:
             raise ValueError("Lowest speed value to be set to 4")  # Driver BUG
 
-    def get_speed(self, temp: int) -> int:
+    def get_speed(self, temp: int) -> ndarray[Any, Any]:
         """
         returns a speed for a given temperature
         :param temp: int