diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b3bf94d..a95b85d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,8 +15,6 @@ jobs:
         target:
           - os: linux
             cpu: amd64
-          - os: linux
-            cpu: i386
           - os: macos
             cpu: amd64
           - os: windows
@@ -31,7 +29,7 @@ jobs:
             shell: bash
           - target:
               os: macos
-            builder: macos-10.15
+            builder: macos-12
             shell: bash
           - target:
               os: windows