diff --git a/.github/platforms.json b/.github/platforms.json
index de87059..b90caee 100644
--- a/.github/platforms.json
+++ b/.github/platforms.json
@@ -83,31 +83,28 @@
     "linux_aarch64": [
       {
         "platform": "aarch64-linux",
-        "os": "ubuntu-22.04",
+        "os": "ubuntu-22.04-arm",
         "ruby": "3.4",
         "description": "Linux ARM64 (generic)",
         "build": true,
         "test": true,
-        "test_os": ["ubuntu-24.04-arm", "ubuntu-22.04-arm"],
-        "cross_compile": true
+        "test_os": ["ubuntu-24.04-arm", "ubuntu-22.04-arm"]
       },
       {
         "platform": "aarch64-linux-gnu",
-        "os": "ubuntu-22.04",
+        "os": "ubuntu-22.04-arm",
         "ruby": "3.4",
         "description": "Linux ARM64 GNU libc",
         "build": true,
-        "test": false,
-        "cross_compile": true
+        "test": false
       },
       {
         "platform": "aarch64-linux-musl",
-        "os": "ubuntu-latest",
+        "os": "ubuntu-22.04-arm",
         "ruby": "3.4",
         "description": "Linux ARM64 musl libc",
         "build": true,
-        "test": false,
-        "cross_compile": true
+        "test": false
       }
     ],
     "source": [