diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 84c1e8200c7f..3816fac974a5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -249,7 +249,7 @@
   "google-cloud-config_delivery-v1+FILLER": "0.0.0",
   "google-cloud-config_service": "2.0.2",
   "google-cloud-config_service+FILLER": "0.0.0",
-  "google-cloud-config_service-v1": "2.5.1",
+  "google-cloud-config_service-v1": "2.6.0",
   "google-cloud-config_service-v1+FILLER": "0.0.0",
   "google-cloud-connectors": "2.0.2",
   "google-cloud-connectors+FILLER": "0.0.0",
diff --git a/google-cloud-config_service-v1/CHANGELOG.md b/google-cloud-config_service-v1/CHANGELOG.md
index d3bfdd3d0064..71849597290c 100644
--- a/google-cloud-config_service-v1/CHANGELOG.md
+++ b/google-cloud-config_service-v1/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### 2.6.0 (2026-01-13)
+
+#### Features
+
+* add support for enabling automigration from deprecated Terraform versions ([#32341](https://github.com/googleapis/google-cloud-ruby/issues/32341)) 
+* added error code when failing import values from an external source 
+
 ### 2.5.1 (2025-10-27)
 
 #### Documentation
diff --git a/google-cloud-config_service-v1/lib/google/cloud/config_service/v1/version.rb b/google-cloud-config_service-v1/lib/google/cloud/config_service/v1/version.rb
index ffa3892b6a03..ac4fbb743179 100644
--- a/google-cloud-config_service-v1/lib/google/cloud/config_service/v1/version.rb
+++ b/google-cloud-config_service-v1/lib/google/cloud/config_service/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module ConfigService
       module V1
-        VERSION = "2.5.1"
+        VERSION = "2.6.0"
       end
     end
   end
diff --git a/google-cloud-config_service-v1/snippets/snippet_metadata_google.cloud.config.v1.json b/google-cloud-config_service-v1/snippets/snippet_metadata_google.cloud.config.v1.json
index e5ecfca76aab..0aeda22ae638 100644
--- a/google-cloud-config_service-v1/snippets/snippet_metadata_google.cloud.config.v1.json
+++ b/google-cloud-config_service-v1/snippets/snippet_metadata_google.cloud.config.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-config_service-v1",
-    "version": "2.5.1",
+    "version": "2.6.0",
     "language": "RUBY",
     "apis": [
       {