diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8dda63e..4b0060e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -234,10 +234,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-18.04
           - os: ubuntu-20.04
           - os: ubuntu-22.04
           - os: macos-11
+          - os: macos-12
 
     runs-on: ${{matrix.os}}
 
@@ -281,10 +281,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-18.04
           - os: ubuntu-20.04
           - os: ubuntu-22.04
           - os: macos-11
+          - os: macos-12
 
     runs-on: ${{matrix.os}}
 
@@ -338,10 +338,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-18.04
           - os: ubuntu-20.04
           - os: ubuntu-22.04
           - os: macos-11
+          - os: macos-12
 
     runs-on: ${{matrix.os}}