diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba40f6c3bc..a61efeeb88 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,41 +1,48 @@
-Version 3.9.0, 2023-05-21
--------------------------
+# CHANGELOG
+
+## Version 3.9.1, 2023-06-04
+
+### Deprecations (DEP)
+-  Deprecate PdfMerger (#1866)
+
+### Bug Fixes (BUG)
+-  Ignore UTF-8 decode errors (#1865)
+
+### Robustness (ROB)
+-  Handle missing /Type entry in Page tree (#1859)
+
+
+[Full Changelog](https://github.com/py-pdf/pypdf/compare/3.9.0...3.9.1)
 
-New Features (ENH):
+## Version 3.9.0, 2023-05-21
+
+### New Features (ENH)
 -  Simplify metadata input (Document Information Dictionary) (#1851)
 -  Extend cmap compatibilty to GBK_EUC_H/V (#1812)
 
-Bug Fixes (BUG):
+### Bug Fixes (BUG)
 -  Prevent infinite loop when no character follows after a comment (#1828)
 -  get_contents does not return ContentStream (#1847)
 -  Accept XYZ destination with zoom missing (default to zoom=0.0) (#1844)
 -  Cope with 1 Bit images (#1815)
 
-Robustness (ROB):
+### Robustness (ROB)
 -  Handle missing /Type entry in Page tree (#1845)
 
-Documentation (DOC):
+### Documentation (DOC)
 -  Expand file size explanations (#1835)
 -  Add comparison with pdfplumber (#1837)
 -  Clarify that PyPDF2 is dead (#1827)
 -  Add Hunter King as Contributor for #1806
 
-Maintenance (MAINT):
+### Maintenance (MAINT)
 -  Refactor internal Encryption class (#1821)
 -  Add R parameter to generate_values (#1820)
 -  Make encryption_key parameter of write_to_stream optional (#1819)
 -  Prepare for adding AES enryption support (#1818)
 
-Testing (TST):
--  Parametrize test_cmap_encodings (#1823)
-
-Code Style (STY):
--  Iterate directly over the list instead of using range (#1839)
--  Minor refactorings in _encryption.py (#1822)
+[Full Changelog](https://github.com/py-pdf/pypdf/compare/3.8.1...3.9.0)
 
-[Full Changelog](https://github.com/py-pdf/pypdf/compare/3.8.1...3.8.2)
-
-# CHANGELOG
 
 ## Version 3.8.1, 2023-04-23
 
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 5d36b9ac80..6b9f0d2850 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -34,6 +34,7 @@ history and [GitHubs 'Contributors' feature](https://github.com/py-pdf/pypdf/gra
 * [Pinheiro, Arthur](https://github.com/xilopaint)
 * [programmarchy](https://github.com/programmarchy)
 * [pubpub-zz](https://github.com/pubpub-zz): involved in community development
+* [RitchieP](https://github.com/RitchieP) | [LinkedIn](https://www.linkedin.com/in/ritchie-p-892b31115/) | [StackOverflow](https://stackoverflow.com/users/13328625/casual-r?tab=profile)
 * [Rogmann, Sascha](https://github.com/srogmann)
 * [robbiebusinessacc](https://github.com/robbiebusinessacc)
 * [sietzeberends](https://github.com/sietzeberends)
diff --git a/docs/meta/comparisons.md b/docs/meta/comparisons.md
index d38861495a..1d921a5393 100644
--- a/docs/meta/comparisons.md
+++ b/docs/meta/comparisons.md
@@ -56,7 +56,7 @@ than PyPDF2. See [history of pypdf](history.md).
 extracting the [font size](https://stackoverflow.com/a/69962459/562769)
 / font weight (bold-ness). It has no capabilities for writing PDF files.
 
-[`pdfplumber`](https://pypi.org/project/pdfplumber/) is a library focused on extracting data from PDF documents. Since `pdfplumber` is built on top of `pdfminer.six`, there are **no capabilities of exporting or modifying a PDF file** (see [#440 (discussions)](https://github.com/jsvine/pdfplumber/discussions/440#discussioncomment-803880)). However, `pdfplumber` is capable of converting a PDF file into an image, [draw lines and rectangles on the image](https://github.com/jsvine/pdfplumber#drawing-methods), and save it as an image file.
+[`pdfplumber`](https://pypi.org/project/pdfplumber/) is a library focused on extracting data from PDF documents. Since `pdfplumber` is built on top of `pdfminer.six`, there are **no capabilities of exporting or modifying a PDF file** (see [#440 (discussions)](https://github.com/jsvine/pdfplumber/discussions/440#discussioncomment-803880)). However, `pdfplumber` is capable of converting a PDF file into an image, [draw lines and rectangles on the image](https://github.com/jsvine/pdfplumber#drawing-methods), and save it as an image file. Please note that the image conversion is done via ImageMagick (see [`pdfplumber`'s documentation](https://github.com/jsvine/pdfplumber#visual-debugging)).
 
 The `pdfplumber` community is active in answering questions and the library is maintained as of May 2023.
 
diff --git a/make_changelog.py b/make_changelog.py
index 59efb30df3..36270485d5 100644
--- a/make_changelog.py
+++ b/make_changelog.py
@@ -25,13 +25,14 @@ def main(changelog_path: str) -> None:
     changelog = get_changelog(changelog_path)
     git_tag = get_most_recent_git_tag()
     changes = get_formatted_changes(git_tag)
-    print("-" * 80)
+    if changes == "":
+        print("No changes")
+        return
     print(changes)
 
     new_version = version_bump(git_tag)
     today = datetime.now(tz=timezone.utc)
-    header = f"Version {new_version}, {today:%Y-%m-%d}\n"
-    header = header + "-" * (len(header) - 1) + "\n"
+    header = f"## Version {new_version}, {today:%Y-%m-%d}\n"
     url = f"https://github.com/py-pdf/pypdf/compare/{git_tag}...{new_version}"
     trailer = f"\n[Full Changelog]({url})\n\n"
     new_entry = header + changes + trailer
@@ -42,10 +43,15 @@ def main(changelog_path: str) -> None:
         print("Changelog is already up-to-date!")
         return
 
-    new_changelog = new_entry + changelog
+    new_changelog = "# CHANGELOG\n\n" + new_entry + strip_header(changelog)
     write_changelog(new_changelog, changelog_path)
 
 
+def strip_header(md: str) -> str:
+    """Remove the 'CHANGELOG' header."""
+    return md.lstrip("# CHANGELOG").strip()  # noqa
+
+
 def version_bump(git_tag: str) -> str:
     """
     Increase the patch version of the git tag by one.
@@ -117,6 +123,7 @@ def get_formatted_changes(git_tag: str) -> str:
         "ROB",
         "DOC",
         "DEV",
+        "CI",
         "MAINT",
         "TST",
         "STY",
@@ -129,6 +136,7 @@ def get_formatted_changes(git_tag: str) -> str:
         "ROB": "Robustness",
         "DOC": "Documentation",
         "DEV": "Developer Experience",
+        "CI": "Continuous Integration",
         "MAINT": "Maintenance",
         "TST": "Testing",
         "STY": "Code Style",
@@ -140,17 +148,15 @@ def get_formatted_changes(git_tag: str) -> str:
     for prefix in order:
         if prefix not in grouped:
             continue
-        output += f"\n{abbrev2long[prefix]} ({prefix}):\n"  # header
+        output += f"\n### {abbrev2long[prefix]} ({prefix})\n"  # header
         for commit in grouped[prefix]:
             output += f"- {commit['msg']}\n"
         del grouped[prefix]
 
     if grouped:
-        print("@" * 80)
-        output += "\nYou forgot something!:\n"
+        output += "\n### Other\n"
         for prefix in grouped:
             output += f"- {prefix}: {grouped[prefix]}\n"
-        print("@" * 80)
 
     return output
 
@@ -193,7 +199,7 @@ def get_git_commits_since_tag(git_tag: str) -> List[Change]:
             stderr=subprocess.STDOUT,
         )
     ).strip("'b\\n")
-    return [parse_commit_line(line) for line in commits.split("\\n")]
+    return [parse_commit_line(line) for line in commits.split("\\n") if line != ""]
 
 
 def parse_commit_line(line: str) -> Change:
@@ -210,7 +216,7 @@ def parse_commit_line(line: str) -> Change:
         ValueError: The commit line is not well-structured
     """
     if "\\t" not in line:
-        raise ValueError(f"Invalid commit line: {line}")
+        raise ValueError(f"Invalid commit line: '{line}'")
     commit_hash, rest = line.split("\\t", 1)
     if ":" in rest:
         prefix, message = rest.split(":", 1)
diff --git a/pypdf/_merger.py b/pypdf/_merger.py
index b98a6ea250..924f184954 100644
--- a/pypdf/_merger.py
+++ b/pypdf/_merger.py
@@ -46,6 +46,7 @@
 from ._reader import PdfReader
 from ._utils import (
     StrByteType,
+    deprecate_with_replacement,
     deprecation_bookmark,
     deprecation_with_replacement,
     str_,
@@ -86,26 +87,16 @@ def __init__(self, pagedata: PageObject, src: PdfReader, id: int) -> None:
 
 class PdfMerger:
     """
-    Initialize a ``PdfMerger`` object.
+    Use :class:`PdfWriter` instead.
 
-    ``PdfMerger`` merges multiple PDFs into a single PDF.
-    It can concatenate, slice, insert, or any combination of the above.
-
-    See the functions :meth:`merge()<merge>` (or :meth:`append()<append>`)
-    and :meth:`write()<write>` for usage information.
-
-    Args:
-        strict: Determines whether user should be warned of all
-            problems and also causes some correctable problems to be fatal.
-            Defaults to ``False``.
-        fileobj: Output file. Can be a filename or any kind of
-            file-like object.
+    .. deprecated:: 5.0.0
     """
 
     @deprecation_bookmark(bookmarks="outline")
     def __init__(
         self, strict: bool = False, fileobj: Union[Path, StrByteType] = ""
     ) -> None:
+        deprecate_with_replacement("PdfMerger", "PdfWriter", "5.0.0")
         self.inputs: List[Tuple[Any, PdfReader]] = []
         self.pages: List[Any] = []
         self.output: Optional[PdfWriter] = PdfWriter()
@@ -117,6 +108,7 @@ def __init__(
 
     def __enter__(self) -> "PdfMerger":
         # There is nothing to do.
+        deprecate_with_replacement("PdfMerger", "PdfWriter", "5.0.0")
         return self
 
     def __exit__(
@@ -522,13 +514,13 @@ def _write_dests(self) -> None:
             raise RuntimeError(ERR_CLOSED_WRITER)
         for named_dest in self.named_dests:
             page_index = None
-            if "/Page" in named_dest:
+            if "/Page" in named_dest:  # deprecated
                 for page_index, page in enumerate(self.pages):  # noqa: B007
                     if page.id == named_dest["/Page"]:
                         named_dest[NameObject("/Page")] = page.out_pagedata
                         break
 
-            if page_index is not None:
+            if page_index is not None:  # deprecated
                 self.output.add_named_destination_object(named_dest)
 
     @deprecation_bookmark(bookmarks="outline")
@@ -606,7 +598,7 @@ def _associate_dests_to_pages(self, pages: List[_MergedPage]) -> None:
                 if np.get_object() == page.pagedata.get_object():
                     page_index = page.id
 
-            if page_index is None:
+            if page_index is None:  # deprecated
                 raise ValueError(
                     f"Unresolved named destination '{named_dest['/Title']}'"
                 )
@@ -651,7 +643,7 @@ def find_outline_item(
                 # oi_enum is still an inner node
                 # (OutlineType, if recursive types were supported by mypy)
                 res = self.find_outline_item(outline_item, oi_enum)  # type: ignore
-                if res:
+                if res:  # deprecated
                     return [i] + res
             elif (
                 oi_enum == outline_item
diff --git a/pypdf/_version.py b/pypdf/_version.py
index fcd7ddb9e4..3e9a639238 100644
--- a/pypdf/_version.py
+++ b/pypdf/_version.py
@@ -1 +1 @@
-__version__ = "3.9.0"
+__version__ = "3.9.1"
diff --git a/pypdf/_writer.py b/pypdf/_writer.py
index e3968e96c8..aa42c0f278 100644
--- a/pypdf/_writer.py
+++ b/pypdf/_writer.py
@@ -940,9 +940,14 @@ def _flatten(
             pages = cast(DictionaryObject, self._root_object["/Pages"])
             self.flattened_pages = ArrayObject()
         assert pages is not None  # hint for mypy
-        t = "/Pages"
+
         if PA.TYPE in pages:
-            t = cast(str, pages[PA.TYPE])
+            t = str(pages[PA.TYPE])
+        # if pdf has no type, considered as a page if /Kids is missing
+        elif PA.KIDS not in pages:
+            t = "/Page"
+        else:
+            t = "/Pages"
 
         if t == "/Pages":
             for attr in inheritable_page_attributes:
diff --git a/pypdf/generic/_utils.py b/pypdf/generic/_utils.py
index 695736769b..03041aa553 100644
--- a/pypdf/generic/_utils.py
+++ b/pypdf/generic/_utils.py
@@ -104,7 +104,7 @@ def read_string_from_stream(
                     # line break was escaped:
                     tok = b""
                 else:
-                    msg = rf"Unexpected escaped string: {tok.decode('utf8')}"
+                    msg = f"Unexpected escaped string: {tok.decode('utf-8','ignore')}"
                     logger_warning(msg, __name__)
         txt.append(tok)
     return create_string_object(b"".join(txt), forced_encoding)
diff --git a/tests/test_encryption.py b/tests/test_encryption.py
index 0db7a2731a..1cbb26fd61 100644
--- a/tests/test_encryption.py
+++ b/tests/test_encryption.py
@@ -168,6 +168,7 @@ def test_read_page_from_encrypted_file_aes_256(pdffile, password):
     ],
 )
 @pytest.mark.skipif(not HAS_PYCRYPTODOME, reason="No pycryptodome")
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merge_encrypted_pdfs(names):
     """Encrypted PDFs can be merged after decryption."""
     merger = pypdf.PdfMerger()
diff --git a/tests/test_generic.py b/tests/test_generic.py
index 5e464460d8..2302767f9b 100644
--- a/tests/test_generic.py
+++ b/tests/test_generic.py
@@ -678,6 +678,7 @@ def test_bool_repr(tmp_path):
 
 @pytest.mark.enable_socket()
 @patch("pypdf._reader.logger_warning")
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_issue_997(mock_logger_warning, pdf_file_path):
     url = (
         "https://github.com/py-pdf/pypdf/files/8908874/"
diff --git a/tests/test_merger.py b/tests/test_merger.py
index 0057e512d1..094df1014c 100644
--- a/tests/test_merger.py
+++ b/tests/test_merger.py
@@ -19,6 +19,7 @@
 sys.path.append(str(PROJECT_ROOT))
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def merger_operate(merger):
     pdf_path = RESOURCE_ROOT / "crazyones.pdf"
     outline = RESOURCE_ROOT / "pdflatex-outline.pdf"
@@ -156,6 +157,7 @@ def check_outline(tmp_path):
 tmp_filename = "dont_commit_merged.pdf"
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merger_operations_by_traditional_usage(tmp_path):
     # Arrange
     merger = PdfMerger()
@@ -183,6 +185,7 @@ def test_merger_operations_by_traditional_usage_with_writer(tmp_path):
     check_outline(path)
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merger_operations_by_semi_traditional_usage(tmp_path):
     path = tmp_path / tmp_filename
 
@@ -207,6 +210,7 @@ def test_merger_operations_by_semi_traditional_usage_with_writer(tmp_path):
     check_outline(path)
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merger_operation_by_new_usage(tmp_path):
     path = tmp_path / tmp_filename
     with PdfMerger(fileobj=path) as merger:
@@ -226,6 +230,7 @@ def test_merger_operation_by_new_usage_with_writer(tmp_path):
     check_outline(path)
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merge_page_exception():
     merger = pypdf.PdfMerger()
     pdf_path = RESOURCE_ROOT / "crazyones.pdf"
@@ -247,6 +252,7 @@ def test_merge_page_exception_with_writer():
     merger.close()
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merge_page_tuple():
     merger = pypdf.PdfMerger()
     pdf_path = RESOURCE_ROOT / "crazyones.pdf"
@@ -261,6 +267,7 @@ def test_merge_page_tuple_with_writer():
     merger.close()
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merge_write_closed_fh():
     merger = pypdf.PdfMerger()
     pdf_path = RESOURCE_ROOT / "crazyones.pdf"
@@ -312,6 +319,7 @@ def test_merge_write_closed_fh_with_writer(pdf_file_path):
 
 
 @pytest.mark.enable_socket()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_trim_outline_list(pdf_file_path):
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/995/995175.pdf"
     name = "tika-995175.pdf"
@@ -334,6 +342,7 @@ def test_trim_outline_list_with_writer(pdf_file_path):
 
 
 @pytest.mark.enable_socket()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_zoom(pdf_file_path):
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/994/994759.pdf"
     name = "tika-994759.pdf"
@@ -356,6 +365,7 @@ def test_zoom_with_writer(pdf_file_path):
 
 
 @pytest.mark.enable_socket()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_zoom_xyz_no_left(pdf_file_path):
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/933/933322.pdf"
     name = "tika-933322.pdf"
@@ -378,6 +388,7 @@ def test_zoom_xyz_no_left_with_writer(pdf_file_path):
 
 
 @pytest.mark.enable_socket()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_outline_item(pdf_file_path):
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/997/997511.pdf"
     name = "tika-997511.pdf"
@@ -402,6 +413,7 @@ def test_outline_item_with_writer(pdf_file_path):
 
 @pytest.mark.enable_socket()
 @pytest.mark.slow()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_trim_outline(pdf_file_path):
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/982/982336.pdf"
     name = "tika-982336.pdf"
@@ -426,6 +438,7 @@ def test_trim_outline_with_writer(pdf_file_path):
 
 @pytest.mark.enable_socket()
 @pytest.mark.slow()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test1(pdf_file_path):
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/923/923621.pdf"
     name = "tika-923621.pdf"
@@ -450,6 +463,7 @@ def test1_with_writer(pdf_file_path):
 
 @pytest.mark.enable_socket()
 @pytest.mark.slow()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_sweep_recursion1(pdf_file_path):
     # TODO: This test looks like an infinite loop.
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/924/924546.pdf"
@@ -496,6 +510,7 @@ def test_sweep_recursion1_with_writer(pdf_file_path):
         ),
     ],
 )
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_sweep_recursion2(url, name, pdf_file_path):
     reader = PdfReader(BytesIO(get_pdf_from_url(url, name=name)))
     merger = PdfMerger()
@@ -525,7 +540,7 @@ def test_sweep_recursion2(url, name, pdf_file_path):
 )
 def test_sweep_recursion2_with_writer(url, name, pdf_file_path):
     reader = PdfReader(BytesIO(get_pdf_from_url(url, name=name)))
-    merger = PdfMerger()
+    merger = PdfWriter()
     merger.append(reader)
     merger.write(pdf_file_path)
     merger.close()
@@ -535,6 +550,7 @@ def test_sweep_recursion2_with_writer(url, name, pdf_file_path):
 
 
 @pytest.mark.enable_socket()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_sweep_indirect_list_newobj_is_none(caplog, pdf_file_path):
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/906/906769.pdf"
     name = "tika-906769.pdf"
@@ -565,6 +581,7 @@ def test_sweep_indirect_list_newobj_is_none_with_writer(caplog, pdf_file_path):
 
 
 @pytest.mark.enable_socket()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_iss1145():
     # issue with FitH destination with null param
     url = "https://github.com/py-pdf/pypdf/files/9164743/file-0.pdf"
@@ -584,6 +601,7 @@ def test_iss1145_with_writer():
     merger.close()
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_deprecation_bookmark_decorator_deprecationexcp():
     reader = PdfReader(RESOURCE_ROOT / "outlines-with-invalid-destinations.pdf")
     merger = PdfMerger()
@@ -610,6 +628,7 @@ def test_deprecation_bookmark_decorator_deprecationexcp_with_writer():
         merger.merge(0, reader, import_bookmarks=True)
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_deprecation_bookmark_decorator_output():
     reader = PdfReader(RESOURCE_ROOT / "outlines-with-invalid-destinations.pdf")
     merger = PdfMerger()
@@ -625,6 +644,7 @@ def test_deprecation_bookmark_decorator_output_with_writer():
 
 
 @pytest.mark.enable_socket()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_iss1344(caplog):
     url = "https://github.com/py-pdf/pypdf/files/9549001/input.pdf"
     name = "iss1344.pdf"
@@ -663,3 +683,8 @@ def test_articles_with_writer(caplog):
     r = PdfReader(b)
     assert len(r.threads) == 4
     assert r.threads[0].get_object()["/F"]["/P"] == r.pages[0]
+
+
+def test_deprecate_pdfmerger():
+    with pytest.warns(DeprecationWarning), PdfMerger() as merger:
+        merger.append(RESOURCE_ROOT / "crazyones.pdf")
diff --git a/tests/test_page.py b/tests/test_page.py
index a7fa503649..14ae7e5c1f 100644
--- a/tests/test_page.py
+++ b/tests/test_page.py
@@ -1132,3 +1132,5 @@ def test_pdf_pages_missing_type():
     reader = PdfReader(pdf_path)
     del reader.trailer["/Root"]["/Pages"]["/Kids"][0].get_object()["/Type"]
     reader.pages[0]
+    writer = PdfWriter(clone_from=reader)
+    writer.pages[0]
diff --git a/tests/test_workflows.py b/tests/test_workflows.py
index d3eabdbc3b..6afd7646ba 100644
--- a/tests/test_workflows.py
+++ b/tests/test_workflows.py
@@ -348,6 +348,7 @@ def test_overlay(pdf_file_path, base_path, overlay_path):
         )
     ],
 )
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merge_with_warning(tmp_path, url, name):
     data = BytesIO(get_pdf_from_url(url, name=name))
     reader = PdfReader(data)
@@ -367,6 +368,7 @@ def test_merge_with_warning(tmp_path, url, name):
         )
     ],
 )
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merge(tmp_path, url, name):
     data = BytesIO(get_pdf_from_url(url, name=name))
     reader = PdfReader(data)
@@ -565,6 +567,7 @@ def test_scale_rectangle_indirect_object():
         page.scale(sx=2, sy=3)
 
 
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_merge_output(caplog):
     # Arrange
     base = RESOURCE_ROOT / "Seige_of_Vicksburg_Sample_OCR.pdf"
diff --git a/tests/test_writer.py b/tests/test_writer.py
index 80a3158aad..2d59a39728 100644
--- a/tests/test_writer.py
+++ b/tests/test_writer.py
@@ -739,6 +739,7 @@ def test_append_pages_from_reader_append():
 
 @pytest.mark.enable_socket()
 @pytest.mark.slow()
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_sweep_indirect_references_nullobject_exception(pdf_file_path):
     # TODO: Check this more closely... this looks weird
     url = "https://corpora.tika.apache.org/base/docs/govdocs1/924/924666.pdf"
@@ -765,6 +766,7 @@ def test_sweep_indirect_references_nullobject_exception(pdf_file_path):
         ("https://github.com/py-pdf/pypdf/files/10715624/test.pdf", "iss1627.pdf"),
     ],
 )
+@pytest.mark.filterwarnings("ignore::DeprecationWarning")
 def test_some_appends(pdf_file_path, url, name):
     reader = PdfReader(BytesIO(get_pdf_from_url(url, name=name)))
     # PdfMerger