diff --git a/dialogflow/cx/apiv3/doc.go b/dialogflow/cx/apiv3/doc.go
index 3e1b89a8a28..3af496399d4 100644
--- a/dialogflow/cx/apiv3/doc.go
+++ b/dialogflow/cx/apiv3/doc.go
@@ -91,7 +91,7 @@ import (
 type clientHookParams struct{}
 type clientHook func(context.Context, clientHookParams) ([]option.ClientOption, error)
 
-const versionClient = "20211208"
+const versionClient = "20211223"
 
 func insertMetadata(ctx context.Context, mds ...metadata.MD) context.Context {
 	out, _ := metadata.FromOutgoingContext(ctx)
diff --git a/dialogflow/cx/apiv3beta1/doc.go b/dialogflow/cx/apiv3beta1/doc.go
index c99a7d764d2..62e9d2186c5 100644
--- a/dialogflow/cx/apiv3beta1/doc.go
+++ b/dialogflow/cx/apiv3beta1/doc.go
@@ -93,7 +93,7 @@ import (
 type clientHookParams struct{}
 type clientHook func(context.Context, clientHookParams) ([]option.ClientOption, error)
 
-const versionClient = "20211208"
+const versionClient = "20211223"
 
 func insertMetadata(ctx context.Context, mds ...metadata.MD) context.Context {
 	out, _ := metadata.FromOutgoingContext(ctx)
diff --git a/dialogflow/go.mod b/dialogflow/go.mod
index b2c82295d9b..554d162bfa7 100644
--- a/dialogflow/go.mod
+++ b/dialogflow/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/googleapis/gax-go/v2 v2.1.1
 	google.golang.org/api v0.63.0
-	google.golang.org/genproto v0.0.0-20211221195035-429b39de9b1c
+	google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb
 	google.golang.org/grpc v1.40.1
 	google.golang.org/protobuf v1.27.1
 )
diff --git a/dialogflow/go.sum b/dialogflow/go.sum
index 0b7f97e768a..5cc1ff29e11 100644
--- a/dialogflow/go.sum
+++ b/dialogflow/go.sum
@@ -510,6 +510,8 @@ google.golang.org/genproto v0.0.0-20211206160659-862468c7d6e0/go.mod h1:5CzLGKJ6
 google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20211221195035-429b39de9b1c h1:c5afAQ+F8m49fzDEIKvD7o/D350YjVseBMjtoKL1xsg=
 google.golang.org/genproto v0.0.0-20211221195035-429b39de9b1c/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
+google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb h1:ZrsicilzPCS/Xr8qtBZZLpy4P9TYXAfl49ctG1/5tgw=
+google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=