diff --git a/doc/requirements-doc.txt b/doc/requirements-doc.txt
index 281e690fcef3..2deb9c0dd8b3 100644
--- a/doc/requirements-doc.txt
+++ b/doc/requirements-doc.txt
@@ -7,7 +7,7 @@ setuptools>=70.0.0
 Pygments==2.16.1
 
 # Sphinx
-sphinx==7.1.2
+sphinx==7.3.7
 sphinx-click==5.1.0
 sphinx-copybutton==0.5.2
 sphinxemoji==0.2.0
@@ -19,6 +19,7 @@ sphinx_design==0.5.0
 pydata-sphinx-theme==0.14.1
 autodoc_pydantic==2.2.0
 appnope
+sphinx-docsearch==0.0.7
 
 pydantic!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,<3
 
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 4b45512ffa56..2faf42c5179a 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -66,8 +66,14 @@
     "sphinx_remove_toctrees",
     "sphinx_design",
     "sphinx.ext.intersphinx",
+    "sphinx_docsearch",
 ]
 
+# Configuration for algolia
+docsearch_app_id = "LBHF0PABBL"
+docsearch_api_key = "6c42f30d9669d8e42f6fc92f44028596"
+docsearch_index_name = "docs-ray"
+
 remove_from_toctrees = [
     "cluster/running-applications/job-submission/doc/*",
     "ray-observability/reference/doc/*",