diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index 699ac74ba486..a4628b43a715 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -15983,7 +15983,9 @@ components:
         git:
           $ref: '#/components/schemas/DORAGitInfo'
         id:
-          description: Deployment ID.
+          description: Deployment ID. Must be 16-128 characters and contain only alphanumeric
+            characters, hyphens, underscores, periods, and colons (a-z, A-Z, 0-9,
+            -, _, ., :).
           type: string
         service:
           description: Service name.
@@ -16121,8 +16123,9 @@ components:
         git:
           $ref: '#/components/schemas/DORAGitInfo'
         id:
-          description: Failure ID. Must have at least 16 characters. Required to update
-            a previously sent failure.
+          description: Failure ID. Must be 16-128 characters and contain only alphanumeric
+            characters, hyphens, underscores, periods, and colons (a-z, A-Z, 0-9,
+            -, _, ., :).
           type: string
         name:
           description: Failure name.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99c6032e5d91..68f0c32c13bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,25 @@
 # CHANGELOG
 
+## 2.48.0/2026-01-08
+
+### Added
+* Add new bits_ai usage attribution type to Usage Attribution Public API Documentation [#2875](https://github.com/DataDog/datadog-api-client-ruby/pull/2875)
+* Add Product Analytics Server-Side Events API endpoint [#2870](https://github.com/DataDog/datadog-api-client-ruby/pull/2870)
+* Update /api/v2/cases endpoint to add custom attributes support [#2868](https://github.com/DataDog/datadog-api-client-ruby/pull/2868)
+* Documentation for team notifications API [#2864](https://github.com/DataDog/datadog-api-client-ruby/pull/2864)
+* [RQ-7160] Add llm_spans and deprecate llm_observability [#2850](https://github.com/DataDog/datadog-api-client-ruby/pull/2850)
+* Add display_name to Observability Pipeline processors [#2848](https://github.com/DataDog/datadog-api-client-ruby/pull/2848)
+* Add a new includeDiscovered query parameter to Software Catalog APIs [#2845](https://github.com/DataDog/datadog-api-client-ruby/pull/2845)
+* Add routes for managing On-Call user notification rules [#2843](https://github.com/DataDog/datadog-api-client-ruby/pull/2843)
+* Add anomaly detection options to security monitoring rules [#2841](https://github.com/DataDog/datadog-api-client-ruby/pull/2841)
+* Remove preview/unstable tags from GitHub team sync and connections endpoints [#2839](https://github.com/DataDog/datadog-api-client-ruby/pull/2839)
+* Added spec for flex_stored_logs [#2834](https://github.com/DataDog/datadog-api-client-ruby/pull/2834)
+* Add documentation for synthetics global variable jsonpatch endpoint [#2794](https://github.com/DataDog/datadog-api-client-ruby/pull/2794)
+
+### Changed
+* Remove steps from certain expected synthetics api response [#2874](https://github.com/DataDog/datadog-api-client-ruby/pull/2874)
+* Add documentation for GET, POST, PATCH, and DELETE api/v2/incidents/incident_id/attachments endpoints [#2819](https://github.com/DataDog/datadog-api-client-ruby/pull/2819)
+
 ## 2.47.0/2025-12-17
 
 ### Changed
diff --git a/lib/datadog_api_client/v2/models/dora_deployment_request_attributes.rb b/lib/datadog_api_client/v2/models/dora_deployment_request_attributes.rb
index 89f78a3531e3..d1ed270e37c6 100644
--- a/lib/datadog_api_client/v2/models/dora_deployment_request_attributes.rb
+++ b/lib/datadog_api_client/v2/models/dora_deployment_request_attributes.rb
@@ -33,7 +33,7 @@ class DORADeploymentRequestAttributes
     # Git info for DORA Metrics events.
     attr_accessor :git
 
-    # Deployment ID.
+    # Deployment ID. Must be 16-128 characters and contain only alphanumeric characters, hyphens, underscores, periods, and colons (a-z, A-Z, 0-9, -, _, ., :).
     attr_accessor :id
 
     # Service name.
diff --git a/lib/datadog_api_client/v2/models/dora_failure_request_attributes.rb b/lib/datadog_api_client/v2/models/dora_failure_request_attributes.rb
index 2a75e418c706..730dc8cc9e6a 100644
--- a/lib/datadog_api_client/v2/models/dora_failure_request_attributes.rb
+++ b/lib/datadog_api_client/v2/models/dora_failure_request_attributes.rb
@@ -33,7 +33,7 @@ class DORAFailureRequestAttributes
     # Git info for DORA Metrics events.
     attr_accessor :git
 
-    # Failure ID. Must have at least 16 characters. Required to update a previously sent failure.
+    # Failure ID. Must be 16-128 characters and contain only alphanumeric characters, hyphens, underscores, periods, and colons (a-z, A-Z, 0-9, -, _, ., :).
     attr_accessor :id
 
     # Failure name.
diff --git a/lib/datadog_api_client/version.rb b/lib/datadog_api_client/version.rb
index 8a0b644ef9f0..cefa3990b690 100644
--- a/lib/datadog_api_client/version.rb
+++ b/lib/datadog_api_client/version.rb
@@ -1,5 +1,5 @@
 # Define library version.
 
 module DatadogAPIClient
-  VERSION = '2.47.0'
+  VERSION = '2.48.0'
 end