diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7e458cf9..20ddfcd8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,4 +1,4 @@
-name: Unity Test Runner
+name: Unity 2022.3.x Test Runner
 
 on:
   pull_request:
@@ -15,9 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         unityVersion:
-          - 2020.3.48f1
-          - 2021.3.42f1
-          - 2022.3.42f1
+          - 2022.3.48f1
 
     steps:
       # リポジトリをチェックアウト