diff --git a/.github/workflows/docs-github-pages-cli.yml b/.github/workflows/docs-github-pages-cli.yml
index 1016a5ed..6944d162 100644
--- a/.github/workflows/docs-github-pages-cli.yml
+++ b/.github/workflows/docs-github-pages-cli.yml
@@ -13,7 +13,8 @@ jobs:
     name: Build the DDS CLI Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+
       - name: Make dependencies available to Docker container
         run: |
           cat requirements.txt requirements-dev.txt > ./docs/requirements.txt
diff --git a/.github/workflows/release-cli.yml b/.github/workflows/release-cli.yml
index 54ac8fe4..5cd56edc 100644
--- a/.github/workflows/release-cli.yml
+++ b/.github/workflows/release-cli.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         name: Check out source-code repository
 
       - name: Set up Python 3.12
@@ -92,7 +92,7 @@ jobs:
             OUT_FILE_NAME: dds_cli_ubuntu-latest_x86_64
             ASSET_MIME: application/x-elf
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Python 3.9 setup
         uses: actions/setup-python@v4
         with:
@@ -124,7 +124,7 @@ jobs:
     needs: build-n-publish
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - name: Make dependencies available to Docker container
         run: |
           cat requirements.txt requirements-dev.txt > ./docs/requirements.txt
diff --git a/SPRINTLOG.md b/SPRINTLOG.md
index f8af4dd0..57832ad2 100644
--- a/SPRINTLOG.md
+++ b/SPRINTLOG.md
@@ -397,3 +397,4 @@ _Empty sprint_
 # 2024-12-16 - 2024-12-20
 
 - New version: 2.9.0 ([#728](https://github.com/ScilifelabDataCentre/dds_cli/pull/728))
+- Include legacy packages (removed in Python 3.13) in development requirements to fix documentation on GitHub Pages ([#730](https://github.com/ScilifelabDataCentre/dds_cli/pull/730))
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 670a73ee..bfb675c5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,4 +5,6 @@ sphinx-click==4.0.0
 pyinstaller  # version not pinned due to latest used by release procedure
 pylint==2.17.3
 sphinx-copybutton==0.5.1
-sphinxcontrib-svg2pdfconverter==1.2.2
\ No newline at end of file
+sphinxcontrib-svg2pdfconverter==1.2.2
+standard-imghdr==3.13.0 # removed in python 3.13, needed for sphinx (until more stable fix)
+legacy-cgi==2.6.1 # removed in python 3.13, needed for sphinx (until more stable fix)
diff --git a/requirements.txt b/requirements.txt
index ca4f94e2..b4f401db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,4 +16,4 @@ rich==13.6.0
 rich-click==1.5.2
 simplejson==3.17.6
 tzlocal==4.2
-zstandard==0.22.0
+zstandard==0.23.0