diff --git a/.github/workflows/check-pr.yml b/.github/workflows/check-pr.yml
index 935669b7e..3bc582a1d 100644
--- a/.github/workflows/check-pr.yml
+++ b/.github/workflows/check-pr.yml
@@ -20,15 +20,16 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Python set up
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
+          # cache: "pip"
 
       - name: Python cache set up
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.pythonLocation }}
           key: ${{ env.pythonLocation }}-py-cache
@@ -37,4 +38,4 @@ jobs:
         run: python3 -O scripts/check_chapters.py
 
       - name: Check pre-commit tests
-        uses: pre-commit/action@v3.0.0
+        uses: pre-commit/action@v3.0.1
diff --git a/.github/workflows/make-ebook.yml b/.github/workflows/make-ebook.yml
index 5cda88e47..91246ba9d 100644
--- a/.github/workflows/make-ebook.yml
+++ b/.github/workflows/make-ebook.yml
@@ -13,14 +13,15 @@ jobs:
         run: date +%Y-%m-%d_%H:%M
 
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1 # 0 if you want to push to repo
 
       - name: Python set up
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
+          # cache: "pip"
 
       #  - name: setup environment to DE lang
       #    run: |
@@ -57,7 +58,7 @@ jobs:
           python3 --version
 
       # - name: Check pre-commit tests
-      #   uses: pre-commit/action@v3.0.0
+      #   uses: pre-commit/action@v3.0.1
 
       - name: Make eBooks
         run: |
diff --git a/.github/workflows/make-pdf-1-select.yml b/.github/workflows/make-pdf-1-select.yml
index c2e354091..84d72cd07 100644
--- a/.github/workflows/make-pdf-1-select.yml
+++ b/.github/workflows/make-pdf-1-select.yml
@@ -21,14 +21,15 @@ jobs:
         run: date +%Y-%m-%d_%H:%M
 
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1 # 0 if you want to push to repo
 
       - name: Python set up
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
+          # cache: "pip"
 
       - name: Test ls before
         run: |
diff --git a/.github/workflows/make-pdf-6-parallel.yml b/.github/workflows/make-pdf-6-parallel.yml
index f29e6b1a2..803ae3d40 100644
--- a/.github/workflows/make-pdf-6-parallel.yml
+++ b/.github/workflows/make-pdf-6-parallel.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install requirements
         run: sh scripts/install_requirements_pdf.sh > /dev/null
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install requirements
         run: sh scripts/install_requirements_pdf.sh > /dev/null
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install requirements
         run: sh scripts/install_requirements_pdf.sh > /dev/null
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install requirements
         run: sh scripts/install_requirements_pdf.sh > /dev/null
@@ -85,7 +85,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install requirements
         run: sh scripts/install_requirements_pdf.sh > /dev/null
@@ -104,7 +104,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install requirements
         run: sh scripts/install_requirements_pdf.sh > /dev/null
diff --git a/.github/workflows/make-pdf-all-serial.yml b/.github/workflows/make-pdf-all-serial.yml
index cb239d6d2..fc9625322 100644
--- a/.github/workflows/make-pdf-all-serial.yml
+++ b/.github/workflows/make-pdf-all-serial.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           persist-credentials: false
 
@@ -26,9 +26,8 @@ jobs:
           # pandoc -v
           python3 --version
 
-      - name: Make PDF
-        run: latexmk > /dev/null
-        # run: latexmk hpmor hpmor-1 hpmor-2 hpmor-3 hpmor-4 hpmor-5 hpmor-6 > /dev/null
+      - name: Make PDFs
+        run: latexmk hpmor-1 hpmor-2 hpmor-3 hpmor-4 hpmor-5 hpmor-6 hpmor > /dev/null
 
       - name: Publish PDF to release
         uses: softprops/action-gh-release@v1
diff --git a/.github/workflows/make-pdf-test.yml b/.github/workflows/make-pdf-test.yml
index c9bb85cb0..7a71e9208 100644
--- a/.github/workflows/make-pdf-test.yml
+++ b/.github/workflows/make-pdf-test.yml
@@ -13,15 +13,16 @@ jobs:
         run: date +%Y-%m-%d_%H:%M
 
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
           fetch-depth: 1 # 0 if you want to push to repo
 
       - name: Python set up
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
+          # cache: "pip"
 
       - name: Test ls before
         run: |