diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index e95fa3a2695..21985052837 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -14,7 +14,7 @@ aiohttp-theme==0.1.7
     # via -r requirements/doc.in
 aiosignal==1.3.1
     # via -r requirements/runtime-deps.in
-alabaster==0.7.13
+alabaster==1.0.0
     # via sphinx
 annotated-types==0.7.0
     # via pydantic
@@ -230,22 +230,22 @@ slotscheck==0.19.1
     # via -r requirements/lint.in
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.1.2
+sphinx==8.1.3
     # via
     #   -r requirements/doc.in
     #   sphinxcontrib-spelling
     #   sphinxcontrib-towncrier
-sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-applehelp==2.0.0
     # via sphinx
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==2.0.0
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-htmlhelp==2.1.0
     # via sphinx
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==2.0.0
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 sphinxcontrib-spelling==8.0.0 ; platform_system != "Windows"
     # via -r requirements/doc-spelling.in
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 9cb6b100904..4fdd3f808a0 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -14,7 +14,7 @@ aiohttp-theme==0.1.7
     # via -r requirements/doc.in
 aiosignal==1.3.1
     # via -r requirements/runtime-deps.in
-alabaster==0.7.13
+alabaster==1.0.0
     # via sphinx
 annotated-types==0.7.0
     # via pydantic
@@ -206,21 +206,21 @@ slotscheck==0.19.1
     # via -r requirements/lint.in
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.1.2
+sphinx==8.1.3
     # via
     #   -r requirements/doc.in
     #   sphinxcontrib-towncrier
-sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-applehelp==2.0.0
     # via sphinx
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==2.0.0
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-htmlhelp==2.1.0
     # via sphinx
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==2.0.0
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 sphinxcontrib-towncrier==0.4.0a0
     # via -r requirements/doc.in
diff --git a/requirements/doc-spelling.txt b/requirements/doc-spelling.txt
index 3225227c8de..ea3cff3889a 100644
--- a/requirements/doc-spelling.txt
+++ b/requirements/doc-spelling.txt
@@ -6,7 +6,7 @@
 #
 aiohttp-theme==0.1.7
     # via -r requirements/doc.in
-alabaster==0.7.13
+alabaster==1.0.0
     # via sphinx
 babel==2.16.0
     # via sphinx
@@ -46,22 +46,22 @@ requests==2.32.3
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.1.2
+sphinx==8.1.3
     # via
     #   -r requirements/doc.in
     #   sphinxcontrib-spelling
     #   sphinxcontrib-towncrier
-sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-applehelp==2.0.0
     # via sphinx
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==2.0.0
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-htmlhelp==2.1.0
     # via sphinx
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==2.0.0
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 sphinxcontrib-spelling==8.0.0 ; platform_system != "Windows"
     # via -r requirements/doc-spelling.in
diff --git a/requirements/doc.txt b/requirements/doc.txt
index 7460a01527a..01821866294 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -6,7 +6,7 @@
 #
 aiohttp-theme==0.1.7
     # via -r requirements/doc.in
-alabaster==0.7.13
+alabaster==1.0.0
     # via sphinx
 babel==2.16.0
     # via sphinx
@@ -44,21 +44,21 @@ requests==2.32.3
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.1.2
+sphinx==8.1.3
     # via
     #   -r requirements/doc.in
     #   sphinxcontrib-towncrier
-sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-applehelp==2.0.0
     # via sphinx
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==2.0.0
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-htmlhelp==2.1.0
     # via sphinx
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==2.0.0
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 sphinxcontrib-towncrier==0.4.0a0
     # via -r requirements/doc.in