diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6d4340..80a4eae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.10", "3.11", "3.12", "3.13" ]
+        python-version: [ "3.10", "3.11", "3.12", "3.13", "3.14" ]
 
     steps:
       - name: Checkout code
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 38b8a8e..4b9e2ac 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       - name: Replace relative links in README
         run: |
diff --git a/.github/workflows/version.yml b/.github/workflows/version.yml
index 3c85c25..ed86a2e 100644
--- a/.github/workflows/version.yml
+++ b/.github/workflows/version.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       - name: Upgrade pip
         run: python -m pip install --upgrade pip
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index aabb671..db298c8 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -8,7 +8,7 @@ version: 2
 build:
   os: ubuntu-24.04
   tools:
-    python: "3.13"
+    python: "3.14"
 
 # Build documentation in the "docs/" directory with Sphinx
 sphinx:
diff --git a/pyproject.toml b/pyproject.toml
index 0d0c918..2a85eb2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,19 +29,21 @@ classifiers = [
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
     'Programming Language :: Python :: 3.13',
+    'Programming Language :: Python :: 3.14',
     "Operating System :: OS Independent",
 ]
 requires-python = ">=3.10"
 dependencies = [
     "charset_normalizer>=3.3.2,<4.0",
     "fastdtw>=0.3.4,<1.0",
-    "lingua-language-detector>=2.1.1,<3.0",
+    "lingua-language-detector>=2.1.1,<2.2.0; python_version < '3.12'",
+    "lingua-language-detector>=2.2.0,<3.0; python_version >= '3.12'",
     "pysubs2>=1.8.0,<2.0",
     "scipy>=1.15.3,<2.0",
     "sentence_transformers>=4.1.0,<6.0",
     "tqdm>=4.67.1,<5.0",
     "typer>=0.16.0,<1.0",
-    "gradio>=5.41.1,<6.0",
+    "gradio>=5.41.1,<7.0",
     "nvidia_ml_py>=12.575.51,<14.0",
     "pandas>=2.3.1,<3.0",
     "psutil>=7.0.0,<8.0",
diff --git a/tests/webui/ui/test_layout_and_events.py b/tests/webui/ui/test_layout_and_events.py
index f7c1c9d..b14cbc4 100644
--- a/tests/webui/ui/test_layout_and_events.py
+++ b/tests/webui/ui/test_layout_and_events.py
@@ -141,13 +141,13 @@ def test_start_merge(page: Page, tmp_path: Path) -> None:
     merge_button = page.get_by_role("button", name="Merge")
     cancel_button = page.get_by_role("button", name="Cancel")
 
-    expect(merge_button).to_be_disabled()
-    expect(cancel_button).to_be_enabled()
+    expect(merge_button).to_be_disabled(timeout=60000)
+    expect(cancel_button).to_be_enabled(timeout=60000)
 
     perform_download(page, tmp_path / "output.zip")
 
-    expect(merge_button).to_be_enabled()
-    expect(cancel_button).to_be_disabled()
+    expect(merge_button).to_be_enabled(timeout=60000)
+    expect(cancel_button).to_be_disabled(timeout=60000)
 
     ending_naming_and_format = [
         "_combined.ass",
@@ -178,7 +178,7 @@ def test_cancel_merge(page: Page) -> None:
     expect(page.get_by_text(
         "The merging process is stopped.",
         exact=True)
-    ).to_be_visible(timeout=20000)
+    ).to_be_visible(timeout=60000)
 
     download_section = page.get_by_text(
         "Processed Subtitles (in zip)",
@@ -358,7 +358,7 @@ def test_omit_all_subs_files(page: Page) -> None:
 
     expect(
         page.locator("div.toast-body.warning").filter(has_text="Nothing to merge")
-    ).to_be_visible(timeout=10000)
+    ).to_be_visible(timeout=60000)
 
     time.sleep(10)
 
@@ -366,7 +366,7 @@ def test_omit_all_subs_files(page: Page) -> None:
 
     expect(
         page.locator("div.toast-body.warning").filter(has_text="Nothing to merge")
-    ).to_be_visible(timeout=10000)
+    ).to_be_visible(timeout=60000)
 
     section = page.get_by_text(
         "Processed Subtitles (in zip)",
@@ -427,7 +427,8 @@ def perform_download(page: Page, output_zip_path: Path) -> None:
         "Processed Subtitles (in zip)",
         exact=True
     ).locator("..")
-    download_link = section.locator("a[download]")
+    download_link = section.locator("a[download]").first
+    download_link.wait_for(timeout=60000)
 
     with page.expect_download() as download_info:
         download_link.click()