diff --git a/packages/google-cloud-dialogflow-cx/CHANGELOG.md b/packages/google-cloud-dialogflow-cx/CHANGELOG.md
index d069b8f10e3..00ed73d7f57 100644
--- a/packages/google-cloud-dialogflow-cx/CHANGELOG.md
+++ b/packages/google-cloud-dialogflow-cx/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [3.1.1](https://github.com/googleapis/nodejs-dialogflow-cx/compare/v3.1.0...v3.1.1) (2022-09-14)
+
+
+### Bug Fixes
+
+* Allow passing gax instance to client constructor ([#310](https://github.com/googleapis/nodejs-dialogflow-cx/issues/310)) ([5eb33cd](https://github.com/googleapis/nodejs-dialogflow-cx/commit/5eb33cd1e3ace81e70a844b870d9fc102ec73a3e))
+* Better support for fallback mode ([#305](https://github.com/googleapis/nodejs-dialogflow-cx/issues/305)) ([f63bcf2](https://github.com/googleapis/nodejs-dialogflow-cx/commit/f63bcf25e3354b00d4a428cad0a082134642b661))
+* Change import long to require ([#306](https://github.com/googleapis/nodejs-dialogflow-cx/issues/306)) ([343bc0e](https://github.com/googleapis/nodejs-dialogflow-cx/commit/343bc0efe2ee44888c706f3f377399df3fef13af))
+* **deps:** Update dependency uuid to v9 ([#311](https://github.com/googleapis/nodejs-dialogflow-cx/issues/311)) ([f7ba638](https://github.com/googleapis/nodejs-dialogflow-cx/commit/f7ba63867b32a4435f089584c08c5721eec428a7))
+* Do not import the whole google-gax from proto JS ([#1553](https://github.com/googleapis/nodejs-dialogflow-cx/issues/1553)) ([#309](https://github.com/googleapis/nodejs-dialogflow-cx/issues/309)) ([844c8f7](https://github.com/googleapis/nodejs-dialogflow-cx/commit/844c8f71bf36ed7829542c3f5ff552baee17811a))
+* Preserve default values in x-goog-request-params header ([#312](https://github.com/googleapis/nodejs-dialogflow-cx/issues/312)) ([239d018](https://github.com/googleapis/nodejs-dialogflow-cx/commit/239d0185f5897109914543c96116cc35574fd2af))
+* Remove pip install statements ([#1546](https://github.com/googleapis/nodejs-dialogflow-cx/issues/1546)) ([#308](https://github.com/googleapis/nodejs-dialogflow-cx/issues/308)) ([7363dfe](https://github.com/googleapis/nodejs-dialogflow-cx/commit/7363dfe3bf9ba7431871a7a9ecbff68024a37191))
+* use google-gax v3.3.0 ([844c8f7](https://github.com/googleapis/nodejs-dialogflow-cx/commit/844c8f71bf36ed7829542c3f5ff552baee17811a))
+
 ## [3.1.0](https://github.com/googleapis/nodejs-dialogflow-cx/compare/v3.0.0...v3.1.0) (2022-07-08)
 
 
diff --git a/packages/google-cloud-dialogflow-cx/package.json b/packages/google-cloud-dialogflow-cx/package.json
index 3003fa7ff5a..d16ff97c445 100644
--- a/packages/google-cloud-dialogflow-cx/package.json
+++ b/packages/google-cloud-dialogflow-cx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google-cloud/dialogflow-cx",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "Cx client for Node.js",
   "repository": "googleapis/nodejs-dialogflow-cx",
   "license": "Apache-2.0",
diff --git a/packages/google-cloud-dialogflow-cx/samples/generated/v3/snippet_metadata.google.cloud.dialogflow.cx.v3.json b/packages/google-cloud-dialogflow-cx/samples/generated/v3/snippet_metadata.google.cloud.dialogflow.cx.v3.json
index 628c40748af..72c717c5166 100644
--- a/packages/google-cloud-dialogflow-cx/samples/generated/v3/snippet_metadata.google.cloud.dialogflow.cx.v3.json
+++ b/packages/google-cloud-dialogflow-cx/samples/generated/v3/snippet_metadata.google.cloud.dialogflow.cx.v3.json
@@ -1,7 +1,7 @@
 {
     "clientLibrary": {
         "name": "nodejs-cx",
-        "version": "3.1.0",
+        "version": "3.1.1",
         "language": "TYPESCRIPT",
         "apis": [
             {
diff --git a/packages/google-cloud-dialogflow-cx/samples/generated/v3beta1/snippet_metadata.google.cloud.dialogflow.cx.v3beta1.json b/packages/google-cloud-dialogflow-cx/samples/generated/v3beta1/snippet_metadata.google.cloud.dialogflow.cx.v3beta1.json
index b75d6a906e0..063facf6939 100644
--- a/packages/google-cloud-dialogflow-cx/samples/generated/v3beta1/snippet_metadata.google.cloud.dialogflow.cx.v3beta1.json
+++ b/packages/google-cloud-dialogflow-cx/samples/generated/v3beta1/snippet_metadata.google.cloud.dialogflow.cx.v3beta1.json
@@ -1,7 +1,7 @@
 {
     "clientLibrary": {
         "name": "nodejs-cx",
-        "version": "3.1.0",
+        "version": "3.1.1",
         "language": "TYPESCRIPT",
         "apis": [
             {
diff --git a/packages/google-cloud-dialogflow-cx/samples/package.json b/packages/google-cloud-dialogflow-cx/samples/package.json
index ab10938f7dd..3beca80955a 100644
--- a/packages/google-cloud-dialogflow-cx/samples/package.json
+++ b/packages/google-cloud-dialogflow-cx/samples/package.json
@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/dialogflow-cx": "^3.1.0",
+    "@google-cloud/dialogflow-cx": "^3.1.1",
     "uuid": "^9.0.0"
   },
   "devDependencies": {