diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b91a0d3fa91d..05a660be0246 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -373,7 +373,7 @@
   "google-cloud-device_streaming-v1+FILLER": "0.0.0",
   "google-cloud-dialogflow": "1.15.0",
   "google-cloud-dialogflow+FILLER": "0.0.0",
-  "google-cloud-dialogflow-cx": "1.5.0",
+  "google-cloud-dialogflow-cx": "1.5.1",
   "google-cloud-dialogflow-cx+FILLER": "0.0.0",
   "google-cloud-dialogflow-cx-v3": "1.12.1",
   "google-cloud-dialogflow-cx-v3+FILLER": "0.0.0",
diff --git a/google-cloud-dialogflow-cx/CHANGELOG.md b/google-cloud-dialogflow-cx/CHANGELOG.md
index 11bbe0da2809..351897e56846 100644
--- a/google-cloud-dialogflow-cx/CHANGELOG.md
+++ b/google-cloud-dialogflow-cx/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+### 1.5.1 (2026-08-05)
+
+#### Bug Fixes
+
+* generate double-wildcard path patterns with capture groups ([#35052](https://github.com/googleapis/google-cloud-ruby/issues/35052)) 
+#### Documentation
+
+* Update copyright year ([#35091](https://github.com/googleapis/google-cloud-ruby/issues/35091)) 
+
 ### 1.5.0 (2026-06-11)
 
 #### Features
diff --git a/google-cloud-dialogflow-cx/lib/google/cloud/dialogflow/cx/version.rb b/google-cloud-dialogflow-cx/lib/google/cloud/dialogflow/cx/version.rb
index 7dafcf8954b2..8f8b0e5e5124 100644
--- a/google-cloud-dialogflow-cx/lib/google/cloud/dialogflow/cx/version.rb
+++ b/google-cloud-dialogflow-cx/lib/google/cloud/dialogflow/cx/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Dialogflow
       module CX
-        VERSION = "1.5.0"
+        VERSION = "1.5.1"
       end
     end
   end