diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index aabfacbfc..403ec44c8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,10 +20,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools six wheel
-          python -m pip install mypy pytest-cov -r requirements.txt
-      - run: |
-          mkdir -p .mypy_cache
-          mypy --ignore-missing-imports --install-types --non-interactive . || true
+          python -m pip install pytest-cov -r requirements.txt
       - name: Run tests
         run: pytest --doctest-modules --ignore=project_euler/ --ignore=scripts/validate_solutions.py --cov-report=term-missing:skip-covered --cov=. .
       - if: ${{ success() }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 33069a807..ab74d28e1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -30,7 +30,7 @@ repos:
     hooks:
       - id: pyupgrade
         args:
-          - --py39-plus
+          - --py310-plus
 
   - repo: https://gitlab.com/pycqa/flake8
     rev: 3.9.2
diff --git a/arithmetic_analysis/in_static_equilibrium.py b/arithmetic_analysis/in_static_equilibrium.py
index 6fe84b454..2ac3e7213 100644
--- a/arithmetic_analysis/in_static_equilibrium.py
+++ b/arithmetic_analysis/in_static_equilibrium.py
@@ -13,9 +13,9 @@ def polar_force(
     Resolves force along rectangular components.
     (force, angle) => (force_x, force_y)
     >>> polar_force(10, 45)
-    [7.0710678118654755, 7.071067811865475]
+    [7.071067811865477, 7.0710678118654755]
     >>> polar_force(10, 3.14, radian_mode=True)
-    [-9.999987317275394, 0.01592652916486828]
+    [-9.999987317275396, 0.01592652916486828]
     """
     if radian_mode:
         return [magnitude * cos(angle), magnitude * sin(angle)]
diff --git a/web_programming/fetch_well_rx_price.py b/web_programming/fetch_well_rx_price.py
index 58dbe5993..5174f39f9 100644
--- a/web_programming/fetch_well_rx_price.py
+++ b/web_programming/fetch_well_rx_price.py
@@ -5,7 +5,6 @@ after providing the drug name and zipcode.
 
 """
 
-from typing import Union
 from urllib.error import HTTPError
 
 from bs4 import BeautifulSoup
@@ -14,7 +13,7 @@ from requests import exceptions, get
 BASE_URL = "https://www.wellrx.com/prescriptions/{0}/{1}/?freshSearch=true"
 
 
-def fetch_pharmacy_and_price_list(drug_name: str, zip_code: str) -> Union[list, None]:
+def fetch_pharmacy_and_price_list(drug_name: str, zip_code: str) -> list | None:
     """[summary]
 
     This function will take input of drug name and zipcode,
@@ -85,7 +84,7 @@ if __name__ == "__main__":
     drug_name = input("Enter drug name: ").strip()
     zip_code = input("Enter zip code: ").strip()
 
-    pharmacy_price_list: Union[list, None] = fetch_pharmacy_and_price_list(
+    pharmacy_price_list: list | None = fetch_pharmacy_and_price_list(
         drug_name, zip_code
     )