diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3698d8b..6eb9edc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,9 +18,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7]
+        python-version: [3.7, 3.8]
         include:
-          - python-version: '3.8'
+          - python-version: '3.9'
             coverage: 1
     steps:
       - uses: actions/checkout@v2
diff --git a/requirements.txt b/requirements.txt
index 10f488c..25d839f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ nose==1.3.7
 requests==2.21.0
 coverage==4.5.4
 pook==1.0.1
-setuptools==43.0.0
+setuptools==65.5.1
diff --git a/setup.py b/setup.py
index 5de677c..578d0aa 100644
--- a/setup.py
+++ b/setup.py
@@ -34,10 +34,9 @@ setup(
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3 :: Only',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ]