diff --git a/.github/workflows/buildMomentumSpec.yml b/.github/workflows/buildMomentumSpec.yml
index 672e007..531cfab 100644
--- a/.github/workflows/buildMomentumSpec.yml
+++ b/.github/workflows/buildMomentumSpec.yml
@@ -8,16 +8,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     # Check out PR
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v6
     - name: Install dependencies
       run: |
-        echo 'sudo apt install'
-    - name: build content #toy content
+          sudo apt update
+          sudo apt -yq install asciidoctor ruby-asciidoctor-pdf ruby-asciidoctor-plantuml
+    - name: build content
       run: |
-        date > thisdate
-    # Upload artifact containing Momentum-netCDF.pdf
+        export apath=./specifications/momentum
+        export ADOC=$apath/Momentum-netCDF
+        asciidoctor --base-dir=$apath $ADOC.adoc
+        asciidoctor-pdf --base-dir=$apath $ADOC.adoc
+        cp $ADOC.pdf $apath/publish
+        cp $ADOC.html $apath/publish
+        ls -l $apath/publish
+    # Upload artifact containing Momentum-netCDF
     - name: Upload cf-conventions doc preview
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v6
       with:
-        name: thisdate
-        path: ./
+        name: Momentum-netCDF
+        path: ./specifications/momentum/publish/Momentum-netCDF.*
diff --git a/.github/workflows/buildnc.yml b/.github/workflows/buildnc.yml
index 4146cf1..a19ab4a 100644
--- a/.github/workflows/buildnc.yml
+++ b/.github/workflows/buildnc.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha }}