diff --git a/apis/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3.csproj b/apis/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3.csproj
index ef883cd6f823..b2dfd7a57eda 100644
--- a/apis/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3.csproj
+++ b/apis/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3/Google.Cloud.Dialogflow.Cx.V3.csproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>2.25.0</Version>
+    <Version>3.0.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Builds conversational interfaces (for example, chatbots, and voice-powered apps and devices).</Description>
diff --git a/apis/Google.Cloud.Dialogflow.Cx.V3/docs/history.md b/apis/Google.Cloud.Dialogflow.Cx.V3/docs/history.md
index 70efa161afa1..4d846d590cdd 100644
--- a/apis/Google.Cloud.Dialogflow.Cx.V3/docs/history.md
+++ b/apis/Google.Cloud.Dialogflow.Cx.V3/docs/history.md
@@ -1,5 +1,23 @@
 # Version history
 
+## Version 3.0.0, released 2026-01-21
+
+### New features
+
+- Updated v3 dialogflow client libraries
+
+### Bug fixes
+
+- An existing field `start_flow` is moved in to oneof in message `.google.cloud.dialogflow.cx.v3.Agent`
+- An existing field `webhook_ids` is removed from message `.google.cloud.dialogflow.cx.v3.QueryResult`
+- An existing field `webhook_display_names` is removed from message `.google.cloud.dialogflow.cx.v3.QueryResult`
+- An existing field `webhook_latencies` is removed from message `.google.cloud.dialogflow.cx.v3.QueryResult`
+- An existing field `webhook_tags` is removed from message `.google.cloud.dialogflow.cx.v3.QueryResult`
+
+### Documentation improvements
+
+- Updated v3 dialogflow client libraries
+
 ## Version 2.25.0, released 2025-11-05
 
 ### New features
diff --git a/generator-input/apis.json b/generator-input/apis.json
index 6b313005f5c1..57446862ff21 100644
--- a/generator-input/apis.json
+++ b/generator-input/apis.json
@@ -2371,7 +2371,7 @@
     },
     {
       "id": "Google.Cloud.Dialogflow.Cx.V3",
-      "version": "2.25.0",
+      "version": "3.0.0",
       "type": "grpc",
       "productName": "Dialogflow",
       "productUrl": "https://cloud.google.com/dialogflow/cx/docs",
diff --git a/generator-input/pipeline-state.json b/generator-input/pipeline-state.json
index 1fa527196c7e..fcba37fdd8c6 100644
--- a/generator-input/pipeline-state.json
+++ b/generator-input/pipeline-state.json
@@ -1383,13 +1383,12 @@
         },
         {
             "id": "Google.Cloud.Dialogflow.Cx.V3",
-            "currentVersion": "2.25.0",
-            "nextVersion": "3.0.0",
+            "currentVersion": "3.0.0",
             "generationAutomationLevel": "AUTOMATION_LEVEL_AUTOMATIC",
             "releaseAutomationLevel": "AUTOMATION_LEVEL_AUTOMATIC",
-            "releaseTimestamp": "2025-11-05T16:43:34.709246096Z",
+            "releaseTimestamp": "2026-01-21T17:07:28.382826540Z",
             "lastGeneratedCommit": "b8d149138be9552543ed2ad7700d2d0bc1a0045d",
-            "lastReleasedCommit": "888ae95dd6125f754650d55410b8c117b618a268",
+            "lastReleasedCommit": "b8d149138be9552543ed2ad7700d2d0bc1a0045d",
             "apiPaths": [
                 "google/cloud/dialogflow/cx/v3"
             ],