diff --git a/.github/workflows/viss2-core.yml b/.github/workflows/viss2-core.yml
index b2e8b36..2042827 100644
--- a/.github/workflows/viss2-core.yml
+++ b/.github/workflows/viss2-core.yml
@@ -15,7 +15,7 @@ jobs:
     name: Publish VISS 2 Core 
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: w3c/spec-prod@v2
         with:
           SOURCE: spec/VISSv2_Core.html
diff --git a/.github/workflows/viss2-transport.yml b/.github/workflows/viss2-transport.yml
index 4facc15..559e342 100644
--- a/.github/workflows/viss2-transport.yml
+++ b/.github/workflows/viss2-transport.yml
@@ -15,7 +15,7 @@ jobs:
     name: Publish VISS 2 Transport 
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: w3c/spec-prod@v2
         with:
           SOURCE: spec/VISSv2_Transport.html