diff --git a/clients/firebase_rules/README.md b/clients/firebase_rules/README.md
index e74c8362ee..eb88425176 100644
--- a/clients/firebase_rules/README.md
+++ b/clients/firebase_rules/README.md
@@ -11,7 +11,7 @@ Install this package from [Hex](https://hex.pm) by adding
 
 ```elixir
 def deps do
-  [{:google_api_firebase_rules, "~> 0.17"}]
+  [{:google_api_firebase_rules, "~> 0.18"}]
 end
 ```
 
diff --git a/clients/firebase_rules/lib/google_api/firebase_rules/v1/api/projects.ex b/clients/firebase_rules/lib/google_api/firebase_rules/v1/api/projects.ex
index f853558f54..5af74b437b 100644
--- a/clients/firebase_rules/lib/google_api/firebase_rules/v1/api/projects.ex
+++ b/clients/firebase_rules/lib/google_api/firebase_rules/v1/api/projects.ex
@@ -298,7 +298,7 @@ defmodule GoogleApi.FirebaseRules.V1.Api.Projects do
       *   `:quotaUser` (*type:* `String.t`) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
       *   `:uploadType` (*type:* `String.t`) - Legacy upload protocol for media (e.g. "media", "multipart").
       *   `:upload_protocol` (*type:* `String.t`) - Upload protocol for media (e.g. "raw", "multipart").
-      *   `:executableVersion` (*type:* `String.t`) - The requested runtime executable version. Defaults to FIREBASE_RULES_EXECUTABLE_V1.
+      *   `:executableVersion` (*type:* `String.t`) - Optional. The requested runtime executable version. Defaults to FIREBASE_RULES_EXECUTABLE_V1.
   *   `opts` (*type:* `keyword()`) - Call options
 
   ## Returns
@@ -372,9 +372,9 @@ defmodule GoogleApi.FirebaseRules.V1.Api.Projects do
       *   `:quotaUser` (*type:* `String.t`) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
       *   `:uploadType` (*type:* `String.t`) - Legacy upload protocol for media (e.g. "media", "multipart").
       *   `:upload_protocol` (*type:* `String.t`) - Upload protocol for media (e.g. "raw", "multipart").
-      *   `:filter` (*type:* `String.t`) - `Release` filter. The list method supports filters with restrictions on the `Release.name`, and `Release.ruleset_name`. Example 1: A filter of 'name=prod*' might return `Release`s with names within 'projects/foo' prefixed with 'prod': Name -> Ruleset Name: * projects/foo/releases/prod -> projects/foo/rulesets/uuid1234 * projects/foo/releases/prod/v1 -> projects/foo/rulesets/uuid1234 * projects/foo/releases/prod/v2 -> projects/foo/rulesets/uuid8888 Example 2: A filter of `name=prod* ruleset_name=uuid1234` would return only `Release` instances for 'projects/foo' with names prefixed with 'prod' referring to the same `Ruleset` name of 'uuid1234': Name -> Ruleset Name: * projects/foo/releases/prod -> projects/foo/rulesets/1234 * projects/foo/releases/prod/v1 -> projects/foo/rulesets/1234 In the examples, the filter parameters refer to the search filters are relative to the project. Fully qualified prefixed may also be used.
-      *   `:pageSize` (*type:* `integer()`) - Page size to load. Maximum of 100. Defaults to 10. Note: `page_size` is just a hint and the service may choose to load fewer than `page_size` results due to the size of the output. To traverse all of the releases, the caller should iterate until the `page_token` on the response is empty.
-      *   `:pageToken` (*type:* `String.t`) - Next page token for the next batch of `Release` instances.
+      *   `:filter` (*type:* `String.t`) - Optional. `Release` filter. The list method supports filters with restrictions on the `Release.name`, and `Release.ruleset_name`. Example 1: A filter of 'name=prod*' might return `Release`s with names within 'projects/foo' prefixed with 'prod': Name -> Ruleset Name: * projects/foo/releases/prod -> projects/foo/rulesets/uuid1234 * projects/foo/releases/prod/v1 -> projects/foo/rulesets/uuid1234 * projects/foo/releases/prod/v2 -> projects/foo/rulesets/uuid8888 Example 2: A filter of `name=prod* ruleset_name=uuid1234` would return only `Release` instances for 'projects/foo' with names prefixed with 'prod' referring to the same `Ruleset` name of 'uuid1234': Name -> Ruleset Name: * projects/foo/releases/prod -> projects/foo/rulesets/1234 * projects/foo/releases/prod/v1 -> projects/foo/rulesets/1234 In the examples, the filter parameters refer to the search filters are relative to the project. Fully qualified prefixed may also be used.
+      *   `:pageSize` (*type:* `integer()`) - Optional. Page size to load. Maximum of 100. Defaults to 10. Note: `page_size` is just a hint and the service may choose to load fewer than `page_size` results due to the size of the output. To traverse all of the releases, the caller should iterate until the `page_token` on the response is empty.
+      *   `:pageToken` (*type:* `String.t`) - Optional. Next page token for the next batch of `Release` instances.
   *   `opts` (*type:* `keyword()`) - Call options
 
   ## Returns
@@ -697,9 +697,9 @@ defmodule GoogleApi.FirebaseRules.V1.Api.Projects do
       *   `:quotaUser` (*type:* `String.t`) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
       *   `:uploadType` (*type:* `String.t`) - Legacy upload protocol for media (e.g. "media", "multipart").
       *   `:upload_protocol` (*type:* `String.t`) - Upload protocol for media (e.g. "raw", "multipart").
-      *   `:filter` (*type:* `String.t`) - `Ruleset` filter. The list method supports filters with restrictions on `Ruleset.name`. Filters on `Ruleset.create_time` should use the `date` function which parses strings that conform to the RFC 3339 date/time specifications. Example: `create_time > date("2017-01-01T00:00:00Z") AND name=UUID-*`
-      *   `:pageSize` (*type:* `integer()`) - Page size to load. Maximum of 100. Defaults to 10. Note: `page_size` is just a hint and the service may choose to load less than `page_size` due to the size of the output. To traverse all of the releases, caller should iterate until the `page_token` is empty.
-      *   `:pageToken` (*type:* `String.t`) - Next page token for loading the next batch of `Ruleset` instances.
+      *   `:filter` (*type:* `String.t`) - Optional. `Ruleset` filter. The list method supports filters with restrictions on `Ruleset.name`. Filters on `Ruleset.create_time` should use the `date` function which parses strings that conform to the RFC 3339 date/time specifications. Example: `create_time > date("2017-01-01T00:00:00Z") AND name=UUID-*`
+      *   `:pageSize` (*type:* `integer()`) - Optional. Page size to load. Maximum of 100. Defaults to 10. Note: `page_size` is just a hint and the service may choose to load less than `page_size` due to the size of the output. To traverse all of the releases, caller should iterate until the `page_token` is empty.
+      *   `:pageToken` (*type:* `String.t`) - Optional. Next page token for loading the next batch of `Ruleset` instances.
   *   `opts` (*type:* `keyword()`) - Call options
 
   ## Returns
diff --git a/clients/firebase_rules/lib/google_api/firebase_rules/v1/metadata.ex b/clients/firebase_rules/lib/google_api/firebase_rules/v1/metadata.ex
index 9d4c4a6bfd..fb49eb2977 100644
--- a/clients/firebase_rules/lib/google_api/firebase_rules/v1/metadata.ex
+++ b/clients/firebase_rules/lib/google_api/firebase_rules/v1/metadata.ex
@@ -20,7 +20,7 @@ defmodule GoogleApi.FirebaseRules.V1 do
   API client metadata for GoogleApi.FirebaseRules.V1.
   """
 
-  @discovery_revision "20240214"
+  @discovery_revision "20241125"
 
   def discovery_revision(), do: @discovery_revision
 end
diff --git a/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/test_ruleset_request.ex b/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/test_ruleset_request.ex
index b806eb333b..897a1d3ee0 100644
--- a/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/test_ruleset_request.ex
+++ b/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/test_ruleset_request.ex
@@ -21,8 +21,8 @@ defmodule GoogleApi.FirebaseRules.V1.Model.TestRulesetRequest do
 
   ## Attributes
 
-  *   `source` (*type:* `GoogleApi.FirebaseRules.V1.Model.Source.t`, *default:* `nil`) - Optional `Source` to be checked for correctness. This field must not be set when the resource name refers to a `Ruleset`.
-  *   `testSuite` (*type:* `GoogleApi.FirebaseRules.V1.Model.TestSuite.t`, *default:* `nil`) - The tests to execute against the `Source`. When `Source` is provided inline, the test cases will only be run if the `Source` is syntactically and semantically valid. Inline `TestSuite` to run.
+  *   `source` (*type:* `GoogleApi.FirebaseRules.V1.Model.Source.t`, *default:* `nil`) - Optional. Optional `Source` to be checked for correctness. This field must not be set when the resource name refers to a `Ruleset`.
+  *   `testSuite` (*type:* `GoogleApi.FirebaseRules.V1.Model.TestSuite.t`, *default:* `nil`) - Required. The tests to execute against the `Source`. When `Source` is provided inline, the test cases will only be run if the `Source` is syntactically and semantically valid. Inline `TestSuite` to run.
   """
 
   use GoogleApi.Gax.ModelBase
diff --git a/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/update_release_request.ex b/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/update_release_request.ex
index 8bc8264b00..5453eb6be9 100644
--- a/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/update_release_request.ex
+++ b/clients/firebase_rules/lib/google_api/firebase_rules/v1/model/update_release_request.ex
@@ -22,7 +22,7 @@ defmodule GoogleApi.FirebaseRules.V1.Model.UpdateReleaseRequest do
   ## Attributes
 
   *   `release` (*type:* `GoogleApi.FirebaseRules.V1.Model.Release.t`, *default:* `nil`) - Required. `Release` to update.
-  *   `updateMask` (*type:* `String.t`, *default:* `nil`) - Specifies which fields to update.
+  *   `updateMask` (*type:* `String.t`, *default:* `nil`) - Optional. Specifies which fields to update.
   """
 
   use GoogleApi.Gax.ModelBase
diff --git a/clients/firebase_rules/mix.exs b/clients/firebase_rules/mix.exs
index c2bb1f89fe..d8218e737f 100644
--- a/clients/firebase_rules/mix.exs
+++ b/clients/firebase_rules/mix.exs
@@ -18,7 +18,7 @@
 defmodule GoogleApi.FirebaseRules.Mixfile do
   use Mix.Project
 
-  @version "0.17.0"
+  @version "0.18.0"
 
   def project() do
     [
@@ -56,7 +56,7 @@ defmodule GoogleApi.FirebaseRules.Mixfile do
     [
       files: ["lib", "mix.exs", "README*", "LICENSE"],
       maintainers: ["Jeff Ching", "Daniel Azuma"],
-      licenses: ["Apache 2.0"],
+      licenses: ["Apache-2.0"],
       links: %{
         "GitHub" => "https://github.com/googleapis/elixir-google-api/tree/master/clients/firebase_rules",
         "Homepage" => "https://firebase.google.com/docs/storage/security"