diff --git a/bin/config.py b/bin/config.py
index 07ff9e02..23ce2948 100644
--- a/bin/config.py
+++ b/bin/config.py
@@ -96,7 +96,7 @@
 grep -Ev '^(h|jobs|time|verbose)$' | sed "s/^/'/;s/$/',/" | tr '\n' ' ' | sed 's/^/args_list = [/;s/, $/]\n/'
 """
 # fmt: off
-args_list = ['1', 'add', 'all', 'answer', 'api', 'author', 'check_deterministic', 'clean', 'colors', 'contest', 'contest_id', 'contestname', 'cp', 'default_solution', 'depth', 'directory', 'error', 'force', 'force_build', 'input', 'interaction', 'interactive', 'invalid', 'kattis', 'language', 'memory', 'move_to', 'no_bar', 'no_generate', 'no_solution', 'no_solutions', 'no_testcase_sanity_checks', 'no_timelimit', 'no_validators', 'no_visualizer', 'open', 'order', 'order_from_ccs', 'overview', 'password', 'post_freeze', 'problem', 'problemname', 'remove', 'reorder', 'samples', 'sanitizer', 'skel', 'skip', 'sort', 'submissions', 'table', 'testcases', 'timelimit', 'timeout', 'token', 'tree', 'username', 'validation', 'watch', 'web', 'write']
+args_list = ['1', 'add', 'all', 'answer', 'api', 'author', 'check_deterministic', 'clean', 'colors', 'contest', 'contest_id', 'contestname', 'cp', 'default_solution', 'depth', 'directory', 'error', 'force', 'force_build', 'input', 'interaction', 'interactive', 'invalid', 'kattis', 'language', 'latest_bt', 'memory', 'move_to', 'no_bar', 'no_generate', 'no_solution', 'no_solutions', 'no_testcase_sanity_checks', 'no_timelimit', 'no_validators', 'no_visualizer', 'open', 'order', 'order_from_ccs', 'overview', 'password', 'post_freeze', 'problem', 'problemname', 'remove', 'reorder', 'samples', 'sanitizer', 'skel', 'skip', 'sort', 'submissions', 'table', 'testcases', 'timelimit', 'timeout', 'token', 'tree', 'username', 'validation', 'watch', 'web', 'write']
 # fmt: on
 
 
diff --git a/bin/skel.py b/bin/skel.py
index ad0c8036..5e636e8f 100644
--- a/bin/skel.py
+++ b/bin/skel.py
@@ -312,7 +312,10 @@ def create_gitlab_jobs(contest, problems):
     def problem_source_dir(problem):
         return problem.path.resolve().relative_to(Path('..').resolve())
 
-    header_yml = (config.tools_root / 'skel/gitlab_ci/header.yaml').read_text()
+    if config.args.latest_bt:
+        header_yml = (config.tools_root / 'skel/gitlab_ci/header_latest_bt.yaml').read_text()
+    else:
+        header_yml = (config.tools_root / 'skel/gitlab_ci/header_docker_bt.yaml').read_text()
     print(substitute(header_yml, locals()))
 
     contest_yml = (config.tools_root / 'skel/gitlab_ci/contest.yaml').read_text()
@@ -339,21 +342,27 @@ def create_forgejo_actions(contest, problems):
     else:
         fatal('.git and ../.git not found after changing to contest directory.')
 
-    # Copy the 'setup' action:
-    setup_action_source = config.tools_root / 'skel/forgejo_actions/setup.yaml'
-    setup_action_target = forgejo / Path('actions/setup/action.yml')
-    setup_action_target.parent.mkdir(parents=True, exist_ok=True)
-    shutil.copy(setup_action_source, setup_action_target)
+    if config.args.latest_bt:
+        src = config.tools_root / 'skel/forgejo_actions_latest_bt'
+    else:
+        src = config.tools_root / 'skel/forgejo_actions_docker_bt'
+
+    if config.args.latest_bt:
+        # Copy the 'setup' action:
+        setup_action_source = src / 'setup.yaml'
+        setup_action_target = forgejo / Path('actions/setup/action.yml')
+        setup_action_target.parent.mkdir(parents=True, exist_ok=True)
+        shutil.copy(setup_action_source, setup_action_target)
 
     # Copy the contest-level workflow.
-    contest_workflow_source = (config.tools_root / 'skel/forgejo_actions/contest.yaml').read_text()
+    contest_workflow_source = (src / 'contest.yaml').read_text()
     contest_workflow = substitute(contest_workflow_source, locals())
     contest_workflow_target = forgejo / Path(f'workflows/{contest}/contest.yaml')
     contest_workflow_target.parent.mkdir(parents=True, exist_ok=True)
     contest_workflow_target.write_text(contest_workflow)
 
     # Copy the problem-level workflows.
-    problem_workflow_source = (config.tools_root / 'skel/forgejo_actions/problem.yaml').read_text()
+    problem_workflow_source = (src / 'problem.yaml').read_text()
     for problem_obj in problems:
         problem = problem_obj.name
         problem_path = contest_path / problem
@@ -366,6 +375,9 @@ def create_forgejo_actions(contest, problems):
 # Differences with forgejo:
 # - flat structure, with all workflows directly in `.github/workflows`.
 def create_github_actions(contest, problems):
+    if config.args.latest_bt:
+        fatal('Caching the latest BAPCtools is not supported for github actions.')
+
     if Path('.git').is_dir():
         contest_path = Path('.')
         github = Path('.github')
@@ -377,14 +389,10 @@ def create_github_actions(contest, problems):
     else:
         fatal('.git and ../.git not found after changing to contest directory.')
 
-    # Copy the 'setup' action:
-    setup_action_source = config.tools_root / 'skel/forgejo_actions/setup.yaml'
-    setup_action_target = github / Path('actions/setup/action.yml')
-    setup_action_target.parent.mkdir(parents=True, exist_ok=True)
-    shutil.copy(setup_action_source, setup_action_target)
-
     # Copy the contest-level workflow.
-    contest_workflow_source = (config.tools_root / 'skel/forgejo_actions/contest.yaml').read_text()
+    contest_workflow_source = (
+        config.tools_root / 'skel/forgejo_actions_docker_bt/contest.yaml'
+    ).read_text()
     contest_workflow = substitute(contest_workflow_source, locals())
     if nest:
         contest_workflow_target = github / Path(f'workflows/{contest}.yaml')
@@ -394,7 +402,9 @@ def create_github_actions(contest, problems):
     contest_workflow_target.write_text(contest_workflow)
 
     # Copy the problem-level workflows.
-    problem_workflow_source = (config.tools_root / 'skel/forgejo_actions/problem.yaml').read_text()
+    problem_workflow_source = (
+        config.tools_root / 'skel/forgejo_actions_docker_bt/problem.yaml'
+    ).read_text()
     for problem_obj in problems:
         problem = problem_obj.name
         problem_path = contest_path / problem
diff --git a/bin/tools.py b/bin/tools.py
index 071389cb..cea31557 100755
--- a/bin/tools.py
+++ b/bin/tools.py
@@ -738,21 +738,30 @@ def build_parser():
         'samplezip', parents=[global_parser], help='Create zip file of all samples.'
     )
 
-    subparsers.add_parser(
+    gitlab_parser = subparsers.add_parser(
         'gitlabci', parents=[global_parser], help='Print a list of jobs for the given contest.'
     )
+    gitlab_parser.add_argument(
+        '--latest-bt', action='store_true', help='Cache the latest version of BAPCtools.'
+    )
 
-    subparsers.add_parser(
+    forgejo_parser = subparsers.add_parser(
         'forgejo_actions',
         parents=[global_parser],
         help='Setup Forgejo Actions workflows in .forgejo.',
     )
+    forgejo_parser.add_argument(
+        '--latest-bt', action='store_true', help='Cache the latest version of BAPCtools.'
+    )
 
-    subparsers.add_parser(
+    github_parser = subparsers.add_parser(
         'github_actions',
         parents=[global_parser],
         help='Setup Github Actions workflows in .github.',
     )
+    github_parser.add_argument(
+        '--latest-bt', action='store_true', help='Cache the latest version of BAPCtools.'
+    )
 
     exportparser = subparsers.add_parser(
         'export', parents=[global_parser], help='Export the problem or contest to DOMjudge.'
diff --git a/doc/commands.md b/doc/commands.md
index d9b96033..d90e9390 100644
--- a/doc/commands.md
+++ b/doc/commands.md
@@ -30,8 +30,8 @@ This lists all subcommands and their most important options.
   - [`bt new_problem [problemname] [--author AUTHOR] [--validation {default,custom,custom interactive}] [--skel SKEL]`](#new_problem)
   - [`bt skel [--skel SKEL] directory [directory ...]`](#skel)
   - [`bt rename_problem [problemname]`](#rename_problem)
-  - [`bt gitlabci`](#gitlabci)
-  - [`bt forgejo_actions`](#forgejo_actions)
+  - [`bt gitlabci [--latest-bt]`](#gitlabci)
+  - [`bt forgejo_actions [--latest-bt]`](#forgejo_actions)
   - [`bt github_actions`](#github_actions)
 - Exporting
   - [`bt samplezip`](#samplezip)
@@ -389,6 +389,9 @@ Do not forget to pass a `--problem` to rename when running this from a contest d
 
 `bt gitlabici` prints configuration for Gitlab Continuous Integration to the terminal. This can be piped into the `.gitlab-ci.yml` file in the root of the repository. When there are multiple contests, just append the `bt gitlabci` of each of them, but deduplicate the top level `image:` and `default:` keys.
 
+Use the `--latest-bt` flag to pull the latest version of BAPCtools before each
+run. By default, the version in the docker image is used.
+
 Example output:
 
 ```
@@ -468,6 +471,9 @@ the `.forgejo` directory in the root of the git repository.
 When there are multiple contests, run `bt forgejo_actions` once for each
 contest (either in the contest directory, or by passing `--contest <contest>`).
 
+Use the `--latest-bt` flag to pull the latest version of BAPCtools before each
+run. By default, the version in the docker image is used.
+
 The generated workflows are similar to those for `bt gitlabci` described above.
 
 For smooth operation, use the following in the forgejo runner `config.yaml` to
diff --git a/skel/forgejo_actions_docker_bt/contest.yaml b/skel/forgejo_actions_docker_bt/contest.yaml
new file mode 100644
index 00000000..d23cc3b1
--- /dev/null
+++ b/skel/forgejo_actions_docker_bt/contest.yaml
@@ -0,0 +1,26 @@
+name: {%contest%} PDFs
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - {%contest_path%}/*/problem_statement/**
+jobs:
+  build_pdfs:
+    name: {%contest%} PDFs
+    runs-on: bapctools-docker
+    container:
+      image: ragnargrootkoerkamp/bapctools
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          bt pdf --cp --error --no-bar --contest {%contest_path%}
+          bt solutions --cp --error --no-bar --contest {%contest_path%}
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: pdfs
+          path: |
+            {%contest_path%}/contest*.pdf
+            {%contest_path%}/solution*.pdf
+          retention-days: 7
diff --git a/skel/forgejo_actions_docker_bt/problem.yaml b/skel/forgejo_actions_docker_bt/problem.yaml
new file mode 100644
index 00000000..3ce7b43b
--- /dev/null
+++ b/skel/forgejo_actions_docker_bt/problem.yaml
@@ -0,0 +1,19 @@
+name: {%problem_path%}
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - {%problem_path%}/**
+      - "!{%problem_path%}/problem_statement/**"
+      - "!{%problem_path%}/attachments/**"
+jobs:
+  verify:
+    name: Verify {%problem%}
+    runs-on: bapctools-docker
+    container:
+      image: ragnargrootkoerkamp/bapctools
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          bt all --cp --error --no-bar --force --jobs 0 --problem {%problem_path%}
diff --git a/skel/forgejo_actions/contest.yaml b/skel/forgejo_actions_latest_bt/contest.yaml
similarity index 100%
rename from skel/forgejo_actions/contest.yaml
rename to skel/forgejo_actions_latest_bt/contest.yaml
diff --git a/skel/forgejo_actions/problem.yaml b/skel/forgejo_actions_latest_bt/problem.yaml
similarity index 100%
rename from skel/forgejo_actions/problem.yaml
rename to skel/forgejo_actions_latest_bt/problem.yaml
diff --git a/skel/forgejo_actions/setup.yaml b/skel/forgejo_actions_latest_bt/setup.yaml
similarity index 100%
rename from skel/forgejo_actions/setup.yaml
rename to skel/forgejo_actions_latest_bt/setup.yaml
diff --git a/skel/gitlab_ci/header_docker_bt.yaml b/skel/gitlab_ci/header_docker_bt.yaml
new file mode 100644
index 00000000..20c890b3
--- /dev/null
+++ b/skel/gitlab_ci/header_docker_bt.yaml
@@ -0,0 +1,7 @@
+image:
+  name: ragnargrootkoerkamp/bapctools
+  entrypoint: [""]
+
+default:
+  before_script:
+    - ln -s /usr/bin/bt bt
diff --git a/skel/gitlab_ci/header.yaml b/skel/gitlab_ci/header_latest_bt.yaml
similarity index 100%
rename from skel/gitlab_ci/header.yaml
rename to skel/gitlab_ci/header_latest_bt.yaml