diff --git a/.github/workflows/book.yml b/.github/workflows/book.yml
index bd4df36be03..f193a7d6e9d 100644
--- a/.github/workflows/book.yml
+++ b/.github/workflows/book.yml
@@ -6,13 +6,6 @@ on:
       - master
       - develop
 
-    tags:
-      - '*'
-
-  pull_request:
-
-  merge_group:
-
 jobs:
   bookdown:
     runs-on: ubuntu-latest  
@@ -23,51 +16,52 @@ jobs:
       image: pecan/depends:R4.1
 
     steps:
-    # checkout source code
-    - uses: actions/checkout@v3
-    # install rmarkdown
-    - name: Install rmarkdown
-      run: |
-        Rscript -e 'install.packages(c("rmarkdown","bookdown"))'
-    # copy files
-    - name: copy extfiles
-      run: |
-        mkdir -p book_source/extfiles
-        cp -f documentation/tutorials/01_Demo_Basic_Run/extfiles/* book_source/extfiles
-    # compile PEcAn code
-    - name: build needed modules
-      run: |
-        R CMD INSTALL base/logger
-        R CMD INSTALL base/remote
-        R CMD INSTALL base/utils
-    # render book
-    - name: Render Book
-      run: |
-        cd book_source
-        Rscript -e 'options(bookdown.render.file_scope=FALSE); bookdown::render_book("index.Rmd", "bookdown::gitbook")'
-    # save artifact
-    - uses: actions/upload-artifact@v3
-      with:
-        name: pecan-documentation
-        path: book_source/_book/
-    # download documentation repo
-    - name: Checkout documentation repo
-      if: github.event_name != 'pull_request'
-      uses: actions/checkout@v3
-      with:
-        repository: ${{ github.repository_owner }}/pecan-documentation
-        path: pecan-documentation
-        token: ${{ secrets.GH_PAT }}
-    # upload new documentation
-    - name: publish to github
-      if: github.event_name != 'pull_request'
-      run: |
-        git config --global user.email "pecanproj@gmail.com"
-        git config --global user.name "GitHub Documentation Robot"
-        export VERSION=${GITHUB_REF##*/}
-        cd pecan-documentation
-        mkdir -p $VERSION
-        rsync -a --delete ../book_source/_book/ ${VERSION}/
-        git add --all *
-        git commit -m "Build book from pecan revision ${GITHUB_SHA}" || true
-        git push -q origin master
+      - name: Checkout source code
+        uses: actions/checkout@v3
+
+      - name: Install rmarkdown
+        run: |
+          Rscript -e 'install.packages(c("rmarkdown","bookdown"))'
+
+      - name: Copy extfiles
+        run: |
+          mkdir -p book_source/extfiles
+          cp -f documentation/tutorials/01_Demo_Basic_Run/extfiles/* book_source/extfiles
+
+      - name: Build needed modules
+        run: |
+          R CMD INSTALL base/logger
+          R CMD INSTALL base/remote
+          R CMD INSTALL base/utils
+
+      - name: Render Book
+        run: |
+          cd book_source
+          Rscript -e 'options(bookdown.render.file_scope=FALSE); bookdown::render_book("index.Rmd", "bookdown::gitbook")'
+
+      - name: Save artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: pecan-documentation
+          path: book_source/_book/
+
+      - name: Checkout documentation repo
+        if: github.event_name == 'push' && github.ref_type == 'branch'
+        uses: actions/checkout@v3
+        with:
+          repository: ${{ github.repository_owner }}/pecan-documentation
+          path: pecan-documentation
+          token: ${{ secrets.GH_PAT }}
+
+      - name: Publish to GitHub
+        if: github.event_name == 'push' && github.ref_type == 'branch'
+        run: |
+          git config --global user.email "pecanproj@gmail.com"
+          git config --global user.name "GitHub Documentation Robot"
+          export VERSION=${GITHUB_REF##*/}
+          cd pecan-documentation
+          mkdir -p $VERSION
+          rsync -a --delete ../book_source/_book/ ${VERSION}/
+          git add --all *
+          git commit -m "Build book from pecan revision ${GITHUB_SHA}" || true
+          git push -q origin master