diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b18de6..10912be 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ name: CI
 on: [push]
 
 env:
-  LLVM_VERSION: 16.0.0-rc3
+  LLVM_VERSION: 16.0.0
 
 jobs:
   distros:
@@ -67,9 +67,12 @@ jobs:
 
   llvm_windows:
     name: LLVM
-    runs-on: windows-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        os:
+          - windows-2019
+          - windows-2022
         arch:
           - win64
     steps:
@@ -96,6 +99,7 @@ jobs:
         os:
           - macos-11
           - macos-12
+          - macos-13
     steps:
       - uses: actions/checkout@v3
       - run: brew install ninja
@@ -128,6 +132,14 @@ jobs:
         with:
           name: macos-12
 
+      - uses: actions/download-artifact@v3
+        with:
+          name: macos-13
+
+      - uses: actions/download-artifact@v3
+        with:
+          name: win64-msvc16.0
+
       - uses: actions/download-artifact@v3
         with:
           name: win64-msvc17.0