diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 8ddcfec..c27be91 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -1,13 +1,18 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+      - release/*
+  pull_request:
+    branches:
+      - main
+      - release/*
 
 jobs:
   gitHubActionForPytest:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: [3.9]
     name: GitHub Action
     steps:
     - name: Checkout
diff --git a/requirements.txt b/requirements.txt
index 28c1a1a..3a21057 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
-pysnmplib==5.0.21
+pysnmplib==5.0.24
 nagiosplugin==1.3.3
+pyasyncore==1.0.4