diff --git a/go.mod b/go.mod
index 9f33f5b..27052f5 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,6 @@ require (
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/hashicorp/terraform v0.13.5
 	github.com/hashicorp/terraform-plugin-sdk v1.16.0
-	github.com/mackerelio/mackerel-client-go v0.12.0
+	github.com/mackerelio/mackerel-client-go v0.14.0
 	golang.org/x/tools v0.0.0-20200904185747-39188db58858 // indirect
 )
diff --git a/go.sum b/go.sum
index 6537c8a..c7ad760 100644
--- a/go.sum
+++ b/go.sum
@@ -419,8 +419,8 @@ github.com/likexian/simplejson-go v0.0.0-20190419151922-c1f9f0b4f084/go.mod h1:U
 github.com/likexian/simplejson-go v0.0.0-20190502021454-d8787b4bfa0b/go.mod h1:3BWwtmKP9cXWwYCr5bkoVDEfLywacOv0s06OBEDpyt8=
 github.com/lusis/go-artifactory v0.0.0-20160115162124-7e4ce345df82 h1:wnfcqULT+N2seWf6y4yHzmi7GD2kNx4Ute0qArktD48=
 github.com/lusis/go-artifactory v0.0.0-20160115162124-7e4ce345df82/go.mod h1:y54tfGmO3NKssKveTEFFzH8C/akrSOy/iW9qEAUDV84=
-github.com/mackerelio/mackerel-client-go v0.12.0 h1:K2Jpnd8Tfnva9zQ8vla3/8CQT+NW2xaV4hM/PCxtYXc=
-github.com/mackerelio/mackerel-client-go v0.12.0/go.mod h1:/GNOj+y1eFsd3CK8c6IQ/uS38/GT0+NWImk5YGJs5Lk=
+github.com/mackerelio/mackerel-client-go v0.14.0 h1:RUXRMLbRsQbhTSIj6hmuBOkirG8kBQmqK/6dLVmV5UM=
+github.com/mackerelio/mackerel-client-go v0.14.0/go.mod h1:/GNOj+y1eFsd3CK8c6IQ/uS38/GT0+NWImk5YGJs5Lk=
 github.com/mailru/easyjson v0.0.0-20160728113105-d5b7844b561a/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/masterzen/simplexml v0.0.0-20160608183007-4572e39b1ab9 h1:SmVbOZFWAlyQshuMfOkiAx1f5oUTsOGG5IXplAEYeeM=
 github.com/masterzen/simplexml v0.0.0-20160608183007-4572e39b1ab9/go.mod h1:kCEbxUJlNDEBNbdQMkPSp6yaKcRXVI6f4ddk8Riv4bc=