diff --git a/.github/workflows/demo_site.yml b/.github/workflows/demo_site.yml
index 24bc7d6c..0d03d72c 100644
--- a/.github/workflows/demo_site.yml
+++ b/.github/workflows/demo_site.yml
@@ -8,9 +8,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 3.1.300
     - name: dotnet publish