diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 3ad29b0077..9a3a6d1121 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -37,12 +37,13 @@ jobs:
           - {version: '3.9'}
           - {version: '3.10'}
           - {version: '3.11'}
+          - {version: '3.12'}
         include:
           - python: {version: '3.8'}  # win7 compat
             os: windows-latest
-          - python: {version: '3.11'}  # current
+          - python: {version: '3.12'}  # current
             os: windows-latest
-          - python: {version: '3.11'}  # current
+          - python: {version: '3.12'}  # current
             os: macos-latest
 
     steps:
@@ -70,7 +71,7 @@ jobs:
         os:
           - ubuntu-latest
         python:
-          - {version: '3.11'}  # current
+          - {version: '3.12'}  # current
 
     steps:
     - uses: actions/checkout@v4
diff --git a/ModuleUpdate.py b/ModuleUpdate.py
index ed041bef46..f49182bb78 100644
--- a/ModuleUpdate.py
+++ b/ModuleUpdate.py
@@ -75,13 +75,13 @@ def update(yes: bool = False, force: bool = False) -> None:
     if not update_ran:
         update_ran = True
 
+        install_pkg_resources(yes=yes)
+        import pkg_resources
+
         if force:
             update_command()
             return
 
-        install_pkg_resources(yes=yes)
-        import pkg_resources
-
         prev = ""  # if a line ends in \ we store here and merge later
         for req_file in requirements_files:
             path = os.path.join(os.path.dirname(sys.argv[0]), req_file)
diff --git a/WebHost.py b/WebHost.py
index 08ef3c4307..e597de2476 100644
--- a/WebHost.py
+++ b/WebHost.py
@@ -1,3 +1,4 @@
+import argparse
 import os
 import multiprocessing
 import logging
@@ -31,6 +32,15 @@ def get_app() -> "Flask":
         import yaml
         app.config.from_file(configpath, yaml.safe_load)
         logging.info(f"Updated config from {configpath}")
+    # inside get_app() so it's usable in systems like gunicorn, which do not run WebHost.py, but import it.
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--config_override', default=None,
+                        help="Path to yaml config file that overrules config.yaml.")
+    args = parser.parse_known_args()[0]
+    if args.config_override:
+        import yaml
+        app.config.from_file(os.path.abspath(args.config_override), yaml.safe_load)
+        logging.info(f"Updated config from {args.config_override}")
     if not app.config["HOST_ADDRESS"]:
         logging.info("Getting public IP, as HOST_ADDRESS is empty.")
         app.config["HOST_ADDRESS"] = Utils.get_public_ipv4()
diff --git a/WebHostLib/requirements.txt b/WebHostLib/requirements.txt
index 3452c9d416..c593cd63df 100644
--- a/WebHostLib/requirements.txt
+++ b/WebHostLib/requirements.txt
@@ -1,10 +1,11 @@
 flask>=3.0.3
-werkzeug>=3.0.3
-pony>=0.7.17
+werkzeug>=3.0.4
+pony>=0.7.19
 waitress>=3.0.0
 Flask-Caching>=2.3.0
 Flask-Compress>=1.15
-Flask-Limiter>=3.7.0
+Flask-Limiter>=3.8.0
 bokeh>=3.1.1; python_version <= '3.8'
-bokeh>=3.4.1; python_version >= '3.9'
+bokeh>=3.4.3; python_version == '3.9'
+bokeh>=3.5.2; python_version >= '3.10'
 markupsafe>=2.1.5
diff --git a/docs/running from source.md b/docs/running from source.md
index 34083a603d..4bd335648d 100644
--- a/docs/running from source.md	
+++ b/docs/running from source.md	
@@ -8,7 +8,7 @@ use that version. These steps are for developers or platforms without compiled r
 
 What you'll need:
  * [Python 3.8.7 or newer](https://www.python.org/downloads/), not the Windows Store version
-   * **Python 3.12 is currently unsupported**
+   * Python 3.12.x is currently the newest supported version
  * pip: included in downloads from python.org, separate in many Linux distributions
  * Matching C compiler
    * possibly optional, read operating system specific sections
@@ -31,7 +31,7 @@ After this, you should be able to run the programs.
 
 Recommended steps
  * Download and install a "Windows installer (64-bit)" from the [Python download page](https://www.python.org/downloads)
-   * **Python 3.12 is currently unsupported**
+   * [read above](#General) which versions are supported
 
  * **Optional**: Download and install Visual Studio Build Tools from
    [Visual Studio Build Tools](https://visualstudio.microsoft.com/visual-cpp-build-tools/).
diff --git a/requirements.txt b/requirements.txt
index db4f544503..6fe14c9f32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,14 @@
 colorama>=0.4.6
-websockets>=12.0
-PyYAML>=6.0.1
-jellyfish>=1.0.3
+websockets>=13.0.1
+PyYAML>=6.0.2
+jellyfish>=1.1.0
 jinja2>=3.1.4
 schema>=0.7.7
 kivy>=2.3.0
 bsdiff4>=1.2.4
 platformdirs>=4.2.2
-certifi>=2024.6.2
-cython>=3.0.10
+certifi>=2024.8.30
+cython>=3.0.11
 cymem>=2.0.8
-orjson>=3.10.3
-typing_extensions>=4.12.1
+orjson>=3.10.7
+typing_extensions>=4.12.2