diff --git a/clients/custom_search/lib/google_api/custom_search/v1/api/cse.ex b/clients/custom_search/lib/google_api/custom_search/v1/api/cse.ex
index 2fd1f16532..b24c9efbed 100644
--- a/clients/custom_search/lib/google_api/custom_search/v1/api/cse.ex
+++ b/clients/custom_search/lib/google_api/custom_search/v1/api/cse.ex
@@ -66,7 +66,7 @@ defmodule GoogleApi.CustomSearch.V1.Api.Cse do
       *   `:num` (*type:* `integer()`) - Number of search results to return. * Valid values are integers between 1 and 10, inclusive.
       *   `:orTerms` (*type:* `String.t`) - Provides additional search terms to check for in a document, where each document in the search results must contain at least one of the additional search terms.
       *   `:q` (*type:* `String.t`) - Query
-      *   `:relatedSite` (*type:* `String.t`) - Specifies that all search results should be pages that are related to the specified URL.
+      *   `:relatedSite` (*type:* `String.t`) - Deprecated.
       *   `:rights` (*type:* `String.t`) - Filters based on licensing. Supported values include: `cc_publicdomain`, `cc_attribute`, `cc_sharealike`, `cc_noncommercial`, `cc_nonderived` and combinations of these. See [typical combinations](https://wiki.creativecommons.org/wiki/CC_Search_integration).
       *   `:safe` (*type:* `String.t`) - Search safety level. Acceptable values are: * `"active"`: Enables SafeSearch filtering. * `"off"`: Disables SafeSearch filtering. (default)
       *   `:searchType` (*type:* `String.t`) - Specifies the search type: `image`. If unspecified, results are limited to webpages. Acceptable values are: * `"image"`: custom image search.
@@ -185,7 +185,7 @@ defmodule GoogleApi.CustomSearch.V1.Api.Cse do
       *   `:num` (*type:* `integer()`) - Number of search results to return. * Valid values are integers between 1 and 10, inclusive.
       *   `:orTerms` (*type:* `String.t`) - Provides additional search terms to check for in a document, where each document in the search results must contain at least one of the additional search terms.
       *   `:q` (*type:* `String.t`) - Query
-      *   `:relatedSite` (*type:* `String.t`) - Specifies that all search results should be pages that are related to the specified URL.
+      *   `:relatedSite` (*type:* `String.t`) - Deprecated.
       *   `:rights` (*type:* `String.t`) - Filters based on licensing. Supported values include: `cc_publicdomain`, `cc_attribute`, `cc_sharealike`, `cc_noncommercial`, `cc_nonderived` and combinations of these. See [typical combinations](https://wiki.creativecommons.org/wiki/CC_Search_integration).
       *   `:safe` (*type:* `String.t`) - Search safety level. Acceptable values are: * `"active"`: Enables SafeSearch filtering. * `"off"`: Disables SafeSearch filtering. (default)
       *   `:searchType` (*type:* `String.t`) - Specifies the search type: `image`. If unspecified, results are limited to webpages. Acceptable values are: * `"image"`: custom image search.
diff --git a/clients/custom_search/lib/google_api/custom_search/v1/metadata.ex b/clients/custom_search/lib/google_api/custom_search/v1/metadata.ex
index bc829a8575..6460166c29 100644
--- a/clients/custom_search/lib/google_api/custom_search/v1/metadata.ex
+++ b/clients/custom_search/lib/google_api/custom_search/v1/metadata.ex
@@ -20,7 +20,7 @@ defmodule GoogleApi.CustomSearch.V1 do
   API client metadata for GoogleApi.CustomSearch.V1.
   """
 
-  @discovery_revision "20210918"
+  @discovery_revision "20240310"
 
   def discovery_revision(), do: @discovery_revision
 end
diff --git a/clients/custom_search/lib/google_api/custom_search/v1/model/result_image.ex b/clients/custom_search/lib/google_api/custom_search/v1/model/result_image.ex
index 249a3d2a7d..b91c071949 100644
--- a/clients/custom_search/lib/google_api/custom_search/v1/model/result_image.ex
+++ b/clients/custom_search/lib/google_api/custom_search/v1/model/result_image.ex
@@ -21,7 +21,7 @@ defmodule GoogleApi.CustomSearch.V1.Model.ResultImage do
 
   ## Attributes
 
-  *   `byteSize` (*type:* `integer()`, *default:* `nil`) - The size of the image, in pixels.
+  *   `byteSize` (*type:* `integer()`, *default:* `nil`) - The size of the image, in bytes.
   *   `contextLink` (*type:* `String.t`, *default:* `nil`) - A URL pointing to the webpage hosting the image.
   *   `height` (*type:* `integer()`, *default:* `nil`) - The height of the image, in pixels.
   *   `thumbnailHeight` (*type:* `integer()`, *default:* `nil`) - The height of the thumbnail image, in pixels.
diff --git a/clients/custom_search/mix.exs b/clients/custom_search/mix.exs
index 8510ba1c54..20a99bc9dc 100644
--- a/clients/custom_search/mix.exs
+++ b/clients/custom_search/mix.exs
@@ -18,7 +18,7 @@
 defmodule GoogleApi.CustomSearch.Mixfile do
   use Mix.Project
 
-  @version "0.16.1"
+  @version "0.16.2"
 
   def project() do
     [