diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4a07879d3e..6cb2968ba0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -39,6 +39,7 @@ jobs:
           - ["15.0", "15-0"]
           - ["16.0", "16-0"]
           - ["17.0", "17-0"]
+          - ["18.1", "18-0"]
         include:
           - os: ubuntu-20.04
           # only use ubuntu-22.04 for llvm 16 and higher
@@ -46,11 +47,13 @@ jobs:
             llvm-version: ["16.0", "16-0"]
           - os: ubuntu-22.04
             llvm-version: ["17.0", "17-0"]
+          - os: ubuntu-22.04
+            llvm-version: ["18.1", "18-0"]
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
       - name: Install LLVM and Clang
-        uses: KyleMayes/install-llvm-action@v1
+        uses: KyleMayes/install-llvm-action@v2
         with:
           version: ${{ matrix.llvm-version[0] }}
       - name: llvm-config
@@ -70,7 +73,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
     steps:
       - uses: actions/checkout@v4
-      - uses: KyleMayes/install-llvm-action@v1
+      - uses: KyleMayes/install-llvm-action@v2
         with:
           version: ${{ env.DOC_LLVM_VERSION }}
       - name: Install Rust Nightly