diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 95db2b0..5480df9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
     name: 'Build & Test'
     strategy:
       matrix:
-        os: [macos-latest]
+        os: [macOS-latest]
         arch: [x86_64, arm64]
         dc: [ldc-beta, dmd-master]
         build: [debug, release]
@@ -30,7 +30,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Install compiler
-      uses: dlang-community/setup-dlang@v1.4.0
+      uses: dlang-community/setup-dlang@v2.0.0
       with:
         compiler: ${{ matrix.dc }}