diff --git a/requirements-dev.txt b/requirements-dev.txt
index 476891d54b55f..2002f34a18a91 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -15,9 +15,9 @@ vulture==2.14
 
 # This version is mentioned in `site/source/docs/site/about.rst`.
 # Please keep them in sync.
-sphinx==7.4.7
-sphinx-design==0.6.1
-sphinxcontrib-jquery==4.0
+sphinx==8.2.3
+sphinx-design==0.7.0
+sphinxcontrib-jquery==4.1
 shibuya==2026.5.19
 
 # Needed by test/test_sockets.py
diff --git a/site/Makefile b/site/Makefile
index 30d309b1b7cf2..f0d7860f0145a 100644
--- a/site/Makefile
+++ b/site/Makefile
@@ -4,13 +4,13 @@
 # You can set these variables from the command line.
 SPHINXOPTS    = -W
 SPHINXBUILD   = sphinx-build
-SPHINXVERSION = 7.4.7
+SPHINXVERSION = 8.2.3
 PAPER         =
 BUILDDIR      = build
 
 # User-friendly check for sphinx-build
 ifeq ($(shell which $(SPHINXBUILD) >/dev/null 2>&1; echo $$?), 1)
-$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx version 7.4.7 installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
+$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx version $(SPHINXVERSION) installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
 endif
 
 ifneq ($(shell $(SPHINXBUILD) --version), $(SPHINXBUILD) $(SPHINXVERSION))
diff --git a/site/source/docs/api_reference/html5.h.rst b/site/source/docs/api_reference/html5.h.rst
index 6d55bd1e5c681..7065e79d1cafc 100644
--- a/site/source/docs/api_reference/html5.h.rst
+++ b/site/source/docs/api_reference/html5.h.rst
@@ -1959,7 +1959,7 @@ Defines
 .. c:macro:: EMSCRIPTEN_EVENT_WEBGLCONTEXTLOST
   EMSCRIPTEN_EVENT_WEBGLCONTEXTRESTORED
 
-    Emscripten `WebGL context`_ events.
+    Emscripten `WebGL context events`_.
 
 .. c:type:: EMSCRIPTEN_WEBGL_CONTEXT_HANDLE
 
@@ -2078,7 +2078,7 @@ Functions
 .. c:function:: EMSCRIPTEN_RESULT emscripten_set_webglcontextlost_callback(const char *target, void *userData, bool useCapture, em_webgl_context_callback callback)
   EMSCRIPTEN_RESULT emscripten_set_webglcontextrestored_callback(const char *target, void *userData, bool useCapture, em_webgl_context_callback callback)
 
-  Registers a callback function for the canvas `WebGL context`_ events: ``webglcontextlost`` and ``webglcontextrestored``.
+  Registers a callback function for the canvas `WebGL context events`_: ``webglcontextlost`` and ``webglcontextrestored``.
 
   :param target: |target-parameter-doc|
   :type target: const char*
@@ -2266,7 +2266,7 @@ Functions
 .. |callback-function-parameter-doc| replace:: A callback function. The function is called with the type of event, information about the event, and user data passed from this registration function. The callback should return ``true`` if the event is consumed.
 
 .. _gamepad: http://www.w3.org/TR/gamepad/#gamepad-interface
-.. _webgl_context: http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
+.. _webgl_context_events: http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
 
 Animation and Timing
 ====================