diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 70f8749..5b89b07 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v2.2.2
         with:
-          python-version: '3.7'
+          python-version: '3.9'
           architecture: 'x64'
       - name: Install requirements
         run: |
@@ -36,7 +36,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v2.2.2
         with:
-          python-version: '3.7'
+          python-version: '3.9'
           architecture: 'x86'
       - name: Install requirements
         run: |
@@ -60,7 +60,7 @@ jobs:
      - name: Install Python
        uses: actions/setup-python@v2.2.2
        with:
-         python-version: '3.7'
+         python-version: '3.9'
      - name: Install dependencies
        run: |
          sudo apt install libgtk-3-dev libnotify-dev libsdl2-dev
@@ -90,7 +90,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v2.2.2
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - name: Install requirements
         run: |
           pip install -r requirements.txt -r requirements_build.txt
@@ -117,7 +117,7 @@ jobs:
      - name: Install Python
        uses: actions/setup-python@v2.2.2
        with:
-         python-version: '3.7'
+         python-version: '3.9'
      - name: Install dependencies
        run: |
          sudo apt install libgtk-3-dev libnotify-dev libsdl2-dev
diff --git a/.github/workflows/release-assets.yml b/.github/workflows/release-assets.yml
index 505a325..08d4a52 100644
--- a/.github/workflows/release-assets.yml
+++ b/.github/workflows/release-assets.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v2.2.2
         with:
-          python-version: '3.7'
+          python-version: '3.9'
           architecture: 'x64'
       - name: Install requirements
         run: |
@@ -37,7 +37,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v2.2.2
         with:
-          python-version: '3.7'
+          python-version: '3.9'
           architecture: 'x86'
       - name: Install requirements
         run: |
@@ -64,7 +64,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v2.2.2
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - name: Install dependencies
         run: |
           sudo apt install libgtk-3-dev libnotify-dev libsdl2-dev
@@ -97,7 +97,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v2.2.2
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - name: Install requirements
         run: |
           pip install -r requirements.txt -r requirements_build.txt
diff --git a/setup.py b/setup.py
index 9a3295a..9f98f68 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@ PROJECT_NAME = 'esphomeflasher'
 PROJECT_PACKAGE_NAME = 'esphomeflasher'
 PROJECT_LICENSE = 'MIT'
 PROJECT_AUTHOR = 'ESPHome'
-PROJECT_COPYRIGHT = '2020, ESPHome'
+PROJECT_COPYRIGHT = '2021, ESPHome'
 PROJECT_URL = 'https://esphome.io/guides/faq.html'
 PROJECT_EMAIL = 'contact@esphome.io'
 
@@ -45,7 +45,7 @@ setup(
     zip_safe=False,
     platforms='any',
     test_suite='tests',
-    python_requires='>=3.5,<4.0',
+    python_requires='>=3.7,<4.0',
     install_requires=REQUIRES,
     long_description=LONG_DESCRIPTION,
     long_description_content_type='text/markdown',