diff --git a/misc/requirements/requirements-dev.txt b/misc/requirements/requirements-dev.txt
index 2b55d6ecc..411882fae 100644
--- a/misc/requirements/requirements-dev.txt
+++ b/misc/requirements/requirements-dev.txt
@@ -6,12 +6,12 @@ autocommand==2.2.2
 backports.tarfile==1.2.0
 bracex==2.5.post1
 build==1.2.2.post1
-bump-my-version==1.1.3
+bump-my-version==1.1.4
 certifi==2025.4.26
 cffi==1.17.1
 charset-normalizer==3.4.2
 click==8.1.8
-cryptography==45.0.2
+cryptography==45.0.3
 docutils==0.21.2
 exceptiongroup==1.3.0
 github3.py==4.0.1
@@ -40,7 +40,7 @@ packaging==25.0
 platformdirs==4.3.8
 prompt_toolkit==3.0.51
 pycparser==2.22
-pydantic==2.11.4
+pydantic==2.11.5
 pydantic-settings==2.9.1
 pydantic_core==2.33.2
 Pygments==2.19.1
@@ -56,16 +56,16 @@ requests==2.32.3
 requests-toolbelt==1.0.0
 rfc3986==2.0.0
 rich==14.0.0
-rich-click==1.8.8
+rich-click==1.8.9
 SecretStorage==3.3.3
-sip==6.11.0
+sip==6.11.1
 six==1.17.0
 sniffio==1.3.1
 tomli==2.2.1
 tomlkit==0.13.2
 twine==6.1.0
 typeguard==4.3.0
-typing-inspection==0.4.0
+typing-inspection==0.4.1
 typing_extensions==4.13.2
 uritemplate==4.1.1
 # urllib3==2.4.0
diff --git a/misc/requirements/requirements-mypy.txt b/misc/requirements/requirements-mypy.txt
index 3f9c77f8e..ee999e744 100644
--- a/misc/requirements/requirements-mypy.txt
+++ b/misc/requirements/requirements-mypy.txt
@@ -1,7 +1,7 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 chardet==5.2.0
-diff_cover==9.2.4
+diff_cover==9.3.1
 Jinja2==3.1.6
 lxml==5.4.0
 MarkupSafe==3.0.2
@@ -12,7 +12,7 @@ Pygments==2.19.1
 PyQt5-stubs==5.15.6.0
 tomli==2.2.1
 types-colorama==0.4.15.20240311
-types-docutils==0.21.0.20250516
+types-docutils==0.21.0.20250526
 types-Pygments==2.19.0.20250516
 types-PyYAML==6.0.12.20250516
 typing_extensions==4.13.2
diff --git a/misc/requirements/requirements-pylint.txt b/misc/requirements/requirements-pylint.txt
index 763afbe04..0bfd6f11e 100644
--- a/misc/requirements/requirements-pylint.txt
+++ b/misc/requirements/requirements-pylint.txt
@@ -4,7 +4,7 @@ astroid==3.3.10
 certifi==2025.4.26
 cffi==1.17.1
 charset-normalizer==3.4.2
-cryptography==45.0.2
+cryptography==45.0.3
 dill==0.4.0
 github3.py==4.0.1
 idna==3.10
diff --git a/misc/requirements/requirements-pyqt-5.15.txt b/misc/requirements/requirements-pyqt-5.15.txt
index 927508839..b4d82580c 100644
--- a/misc/requirements/requirements-pyqt-5.15.txt
+++ b/misc/requirements/requirements-pyqt-5.15.txt
@@ -1,7 +1,7 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 PyQt5==5.15.11  # rq.filter: < 5.16
-PyQt5-Qt5==5.15.16
+PyQt5-Qt5==5.15.17
 PyQt5_sip==12.17.0
 PyQtWebEngine==5.15.7  # rq.filter: < 5.16
-PyQtWebEngine-Qt5==5.15.16
+PyQtWebEngine-Qt5==5.15.17
diff --git a/misc/requirements/requirements-pyqt-5.txt b/misc/requirements/requirements-pyqt-5.txt
index 292f35e7d..0f6357bda 100644
--- a/misc/requirements/requirements-pyqt-5.txt
+++ b/misc/requirements/requirements-pyqt-5.txt
@@ -1,7 +1,7 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 PyQt5==5.15.11
-PyQt5-Qt5==5.15.16
+PyQt5-Qt5==5.15.17
 PyQt5_sip==12.17.0
 PyQtWebEngine==5.15.7
-PyQtWebEngine-Qt5==5.15.16
+PyQtWebEngine-Qt5==5.15.17
diff --git a/misc/requirements/requirements-pyqt-6.2.txt b/misc/requirements/requirements-pyqt-6.2.txt
index 49a247a16..8847801ea 100644
--- a/misc/requirements/requirements-pyqt-6.2.txt
+++ b/misc/requirements/requirements-pyqt-6.2.txt
@@ -4,4 +4,4 @@ PyQt6==6.2.3
 PyQt6-Qt6==6.2.4
 PyQt6-WebEngine==6.2.1
 PyQt6-WebEngine-Qt6==6.2.4
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.3.txt b/misc/requirements/requirements-pyqt-6.3.txt
index aa42e285b..60e16e4f5 100644
--- a/misc/requirements/requirements-pyqt-6.3.txt
+++ b/misc/requirements/requirements-pyqt-6.3.txt
@@ -4,4 +4,4 @@ PyQt6==6.3.1
 PyQt6-Qt6==6.3.2
 PyQt6-WebEngine==6.3.1
 PyQt6-WebEngine-Qt6==6.3.2
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.4.txt b/misc/requirements/requirements-pyqt-6.4.txt
index 134840e15..fc87b99f5 100644
--- a/misc/requirements/requirements-pyqt-6.4.txt
+++ b/misc/requirements/requirements-pyqt-6.4.txt
@@ -4,4 +4,4 @@ PyQt6==6.4.2
 PyQt6-Qt6==6.4.3
 PyQt6-WebEngine==6.4.0
 PyQt6-WebEngine-Qt6==6.4.3
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.5.txt b/misc/requirements/requirements-pyqt-6.5.txt
index 47d2626a8..d599b2ed4 100644
--- a/misc/requirements/requirements-pyqt-6.5.txt
+++ b/misc/requirements/requirements-pyqt-6.5.txt
@@ -4,4 +4,4 @@ PyQt6==6.5.3
 PyQt6-Qt6==6.5.3
 PyQt6-WebEngine==6.5.0
 PyQt6-WebEngine-Qt6==6.5.3
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.6.txt b/misc/requirements/requirements-pyqt-6.6.txt
index da1b2dc3c..67da9711d 100644
--- a/misc/requirements/requirements-pyqt-6.6.txt
+++ b/misc/requirements/requirements-pyqt-6.6.txt
@@ -4,4 +4,4 @@ PyQt6==6.6.1
 PyQt6-Qt6==6.6.3
 PyQt6-WebEngine==6.6.0
 PyQt6-WebEngine-Qt6==6.6.3
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.7.txt b/misc/requirements/requirements-pyqt-6.7.txt
index 463f8f6b9..b99759404 100644
--- a/misc/requirements/requirements-pyqt-6.7.txt
+++ b/misc/requirements/requirements-pyqt-6.7.txt
@@ -5,4 +5,4 @@ PyQt6-Qt6==6.7.3
 PyQt6-WebEngine==6.7.0
 PyQt6-WebEngine-Qt6==6.7.3
 PyQt6-WebEngineSubwheel-Qt6==6.7.3
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.8.txt b/misc/requirements/requirements-pyqt-6.8.txt
index 84c0d21f7..6669da8b2 100644
--- a/misc/requirements/requirements-pyqt-6.8.txt
+++ b/misc/requirements/requirements-pyqt-6.8.txt
@@ -4,4 +4,4 @@ PyQt6==6.8.1
 PyQt6-Qt6==6.8.2
 PyQt6-WebEngine==6.8.0
 PyQt6-WebEngine-Qt6==6.8.2
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.9.txt b/misc/requirements/requirements-pyqt-6.9.txt
index a70577da1..1c9e2ef81 100644
--- a/misc/requirements/requirements-pyqt-6.9.txt
+++ b/misc/requirements/requirements-pyqt-6.9.txt
@@ -4,4 +4,4 @@ PyQt6==6.9.0
 PyQt6-Qt6==6.9.0
 PyQt6-WebEngine==6.9.0
 PyQt6-WebEngine-Qt6==6.9.0
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt-6.txt b/misc/requirements/requirements-pyqt-6.txt
index a70577da1..1c9e2ef81 100644
--- a/misc/requirements/requirements-pyqt-6.txt
+++ b/misc/requirements/requirements-pyqt-6.txt
@@ -4,4 +4,4 @@ PyQt6==6.9.0
 PyQt6-Qt6==6.9.0
 PyQt6-WebEngine==6.9.0
 PyQt6-WebEngine-Qt6==6.9.0
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-pyqt.txt b/misc/requirements/requirements-pyqt.txt
index a70577da1..1c9e2ef81 100644
--- a/misc/requirements/requirements-pyqt.txt
+++ b/misc/requirements/requirements-pyqt.txt
@@ -4,4 +4,4 @@ PyQt6==6.9.0
 PyQt6-Qt6==6.9.0
 PyQt6-WebEngine==6.9.0
 PyQt6-WebEngine-Qt6==6.9.0
-PyQt6_sip==13.10.0
+PyQt6_sip==13.10.2
diff --git a/misc/requirements/requirements-tests.txt b/misc/requirements/requirements-tests.txt
index ebbd744e9..fe7840291 100644
--- a/misc/requirements/requirements-tests.txt
+++ b/misc/requirements/requirements-tests.txt
@@ -9,14 +9,14 @@ certifi==2025.4.26
 charset-normalizer==3.4.2
 cheroot==10.0.1
 click==8.1.8
-coverage==7.8.0
+coverage==7.8.2
 exceptiongroup==1.3.0
 execnet==2.1.1
 filelock==3.18.0
 Flask==3.1.1
 gherkin-official==29.0.0
 hunter==3.7.0
-hypothesis==6.131.18
+hypothesis==6.131.28
 idna==3.10
 importlib_metadata==8.7.0
 importlib_resources==6.5.2
diff --git a/misc/requirements/requirements-tox.txt b/misc/requirements/requirements-tox.txt
index bf077cd03..c2037a90c 100644
--- a/misc/requirements/requirements-tox.txt
+++ b/misc/requirements/requirements-tox.txt
@@ -1,6 +1,6 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
-cachetools==5.5.2
+cachetools==6.0.0
 chardet==5.2.0
 colorama==0.4.6
 distlib==0.3.9
@@ -10,7 +10,7 @@ pip==25.1.1
 platformdirs==4.3.8
 pluggy==1.6.0
 pyproject-api==1.9.1
-setuptools==80.7.1
+setuptools==80.8.0
 tomli==2.2.1
 tox==4.26.0 ; python_full_version!="3.14.0b1"
 typing_extensions==4.13.2
diff --git a/qutebrowser/browser/webengine/webenginesettings.py b/qutebrowser/browser/webengine/webenginesettings.py
index 2d2d3c188..d16750bf4 100644
--- a/qutebrowser/browser/webengine/webenginesettings.py
+++ b/qutebrowser/browser/webengine/webenginesettings.py
@@ -453,8 +453,19 @@ def _init_default_profile():
 
     init_user_agent()
     ua_version = version.qtwebengine_versions()
+
+    logger = log.init.warning
+    if machinery.IS_QT5:
+        # With Qt 5.15, we can't quite be sure about which QtWebEngine patch version
+        # we're getting, as ELF parsing might be broken and there's no other way.
+        # For most of the code, we don't really care about the patch version though.
+        assert (
+            non_ua_version.webengine.strip_patch() == ua_version.webengine.strip_patch()
+        ), (non_ua_version, ua_version)
+        logger = log.init.debug
+
     if ua_version.webengine != non_ua_version.webengine:
-        log.init.warning(
+        logger(
             "QtWebEngine version mismatch - unexpected behavior might occur, "
             "please open a bug about this.\n"
             f"  Early version: {non_ua_version}\n"
diff --git a/qutebrowser/utils/version.py b/qutebrowser/utils/version.py
index eaa3662be..e9cea7866 100644
--- a/qutebrowser/utils/version.py
+++ b/qutebrowser/utils/version.py
@@ -594,6 +594,7 @@ class WebEngineVersions:
         utils.VersionNumber(5, 15, 16): (_BASES[87], '119.0.6045.123'),  # 2023-11-07
         utils.VersionNumber(5, 15, 17): (_BASES[87], '123.0.6312.58'),  # 2024-03-19
         utils.VersionNumber(5, 15, 18): (_BASES[87], '130.0.6723.59'),  # 2024-10-14
+        utils.VersionNumber(5, 15, 19): (_BASES[87], '135.0.7049.95'),  # 2025-04-14
 
 
         ## Qt 6.2
diff --git a/tests/unit/misc/test_elf.py b/tests/unit/misc/test_elf.py
index 6ae23357c..5be9a2a12 100644
--- a/tests/unit/misc/test_elf.py
+++ b/tests/unit/misc/test_elf.py
@@ -11,6 +11,7 @@ from hypothesis import strategies as hst
 
 from qutebrowser.misc import elf, binparsing
 from qutebrowser.utils import utils
+from qutebrowser.utils.utils import VersionNumber
 
 
 @pytest.mark.parametrize('fmt, expected', [
@@ -45,7 +46,8 @@ def test_result(webengine_versions, qapp, caplog):
     pytest.importorskip('qutebrowser.qt.webenginecore')
 
     versions = elf.parse_webenginecore()
-    if webengine_versions.webengine >= utils.VersionNumber(6, 5):
+    qtwe_version = webengine_versions.webengine
+    if qtwe_version == VersionNumber(5, 15, 19) or qtwe_version >= VersionNumber(6, 5):
         assert versions is None
         pytest.xfail("ELF file structure not supported")