diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2ba4e233..1d4c6169 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -68,67 +68,13 @@ jobs:
   cocoapods-test:
     name: CocoaPods
     uses: SwiftyLab/ci/.github/workflows/cocoapods.yml@main
-    with:
-      matrix: >
-        {
-          "include": [
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "macos"
-            },
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "watchos"
-            },
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "tvos"
-            },
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "ios"
-            }
-          ]
-        }
 
   xcode-test:
     name: Xcode
     uses: SwiftyLab/ci/.github/workflows/xcode.yml@main
     with:
-      matrix: >
-        {
-          "include": [
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "macOS"
-            },
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "watchOS"
-            },
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "tvOS"
-            },
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "iOS"
-            },
-            {
-              "os": "macos-12",
-              "xcode": "latest-stable",
-              "platform": "mac-catalyst"
-            }
-          ]
-        }
+      os: macos-12
+      xcode: '13.3.1'
 
   ci:
     name: CI