diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7e949cb..0d5c80a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,19 +1,20 @@
 name: main
 
-on: [push]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   main:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13", "3.14" ]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
         cache: 'pip'
         cache-dependency-path: setup.py
     - name: Install dependencies
diff --git a/alive_progress/core/progress.py b/alive_progress/core/progress.py
index a0e266a..3cd6126 100644
--- a/alive_progress/core/progress.py
+++ b/alive_progress/core/progress.py
@@ -6,7 +6,8 @@
 import threading
 import time
 from contextlib import contextmanager
-from typing import Any, Callable, Collection, Iterable, Optional, TypeVar
+from typing import Any, Callable, Optional, TypeVar
+from collections.abc import Collection, Iterable
 
 from .calibration import calibrated_fps, custom_fps
 from .configuration import config_handler
diff --git a/alive_progress/tools/demo.py b/alive_progress/tools/demo.py
index 5953955..466c701 100644
--- a/alive_progress/tools/demo.py
+++ b/alive_progress/tools/demo.py
@@ -69,7 +69,7 @@ def demo(sleep=None):
             for i in range(1, case.count + 1):
                 time.sleep(sleep or .003)
                 if manual:
-                    bar((float(i) / (total or case.count)))
+                    bar(float(i) / (total or case.count))
                 else:
                     bar()
                 if case.hooks and i:
diff --git a/setup.py b/setup.py
index cedd35f..552a7ef 100644
--- a/setup.py
+++ b/setup.py
@@ -52,6 +52,7 @@ def get_readme():
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14',
     ],
     keywords='progress bar progress-bar progressbar spinner eta monitoring python terminal '
              'multi-threaded REPL alive animated visual feedback simple live efficient monitor '