diff --git a/.github/workflows/ci-unit-tests.yml b/.github/workflows/ci-unit-tests.yml
index 28ce0ccb..02533b6d 100644
--- a/.github/workflows/ci-unit-tests.yml
+++ b/.github/workflows/ci-unit-tests.yml
@@ -14,23 +14,23 @@ jobs:
     strategy:
       matrix:
         version:
-        - python: "3.5"
+        - python: "3.7"
           tornado: ">=4,<5"
-        - python: "3.5"
+        - python: "3.7"
           tornado: ">=5,<6"
-        - python: "3.5"
+        - python: "3.7"
           tornado: ">=6"
-        - python: "3.6"
+        - python: "3.8"
           tornado: ">=4,<5"
-        - python: "3.6"
+        - python: "3.8"
           tornado: ">=5,<6"
-        - python: "3.6"
+        - python: "3.8"
           tornado: ">=6"
-        - python: "3.7"
+        - python: "3.9"
           tornado: ">=4,<5"
-        - python: "3.7"
+        - python: "3.9"
           tornado: ">=5,<6"
-        - python: "3.7"
+        - python: "3.9"
           tornado: ">=6"
     name: unit-tests (py ${{ matrix.version.python }} tornado ${{ matrix.version.tornado }})
     steps:
diff --git a/.gitignore b/.gitignore
index 06f3c8ef..befc5902 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,3 +59,6 @@ perf.svg
 .idea/
 
 crossdock/jaeger-docker-compose.yml
+
+# vscode
+/.vscode
\ No newline at end of file
diff --git a/setup.py b/setup.py
index c31caa19..e3187e34 100644
--- a/setup.py
+++ b/setup.py
@@ -32,10 +32,11 @@
         'Intended Audience :: Developers',
         'License :: OSI Approved :: Apache Software License',
         'Natural Language :: English',
-        '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',
     ],
-    python_requires='>=3.5',
+    python_requires='>=3.7',
     install_requires=[
         'threadloop>=1,<2',
         'thrift',