diff --git a/go.mod b/go.mod
index ea870d5..97ef2db 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module terraform-provider-zenduty
 go 1.17
 
 require (
-	github.com/Zenduty/zenduty-go-sdk v0.2.0
+	github.com/Zenduty/zenduty-go-sdk v0.2.1
 	github.com/hashicorp/go-cty v1.4.1-0.20200414143053-d3edf31b6320
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.10.1
 )
diff --git a/go.sum b/go.sum
index 00f59d0..a752370 100644
--- a/go.sum
+++ b/go.sum
@@ -42,14 +42,8 @@ github.com/Microsoft/go-winio v0.4.16 h1:FtSW/jqD+l4ba5iPBj9CODVtgfYAD8w2wS923g/
 github.com/Microsoft/go-winio v0.4.16/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
 github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 h1:YoJbenK9C67SkzkDfmQuVln04ygHj3vjZfd9FL+GmQQ=
 github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
-github.com/Zenduty/zenduty-go-sdk v0.1.7 h1:IojKvlQAKI6/5GnicYCFLtz7+J6vnG+PsHlUB5aZAGk=
-github.com/Zenduty/zenduty-go-sdk v0.1.7/go.mod h1:XnK1p2uyFpBUwbW+xecKSww0klZOSKKoywobqGDlFE8=
-github.com/Zenduty/zenduty-go-sdk v0.1.8 h1:vREmE/XO+nVR7oZ0JLp2W18QTl8r3a6ymsYY7BwDAIg=
-github.com/Zenduty/zenduty-go-sdk v0.1.8/go.mod h1:XnK1p2uyFpBUwbW+xecKSww0klZOSKKoywobqGDlFE8=
-github.com/Zenduty/zenduty-go-sdk v0.1.9 h1:8sHPvCMyAZL+bRJQvSmweIFCq046OFRE450v5yw/N3s=
-github.com/Zenduty/zenduty-go-sdk v0.1.9/go.mod h1:XnK1p2uyFpBUwbW+xecKSww0klZOSKKoywobqGDlFE8=
-github.com/Zenduty/zenduty-go-sdk v0.2.0 h1:2Z7R2cUpfUL1TRUV0+ePApwaRMFOkb+0zDjedp+cBmg=
-github.com/Zenduty/zenduty-go-sdk v0.2.0/go.mod h1:XnK1p2uyFpBUwbW+xecKSww0klZOSKKoywobqGDlFE8=
+github.com/Zenduty/zenduty-go-sdk v0.2.1 h1:HfMnpjrYjkADxy1Ma7ytwIuxkzD5bRj7tBo6Uigk9fw=
+github.com/Zenduty/zenduty-go-sdk v0.2.1/go.mod h1:XnK1p2uyFpBUwbW+xecKSww0klZOSKKoywobqGDlFE8=
 github.com/acomagu/bufpipe v1.0.3 h1:fxAGrHZTgQ9w5QqVItgzwj235/uYZYgbXitB+dLupOk=
 github.com/acomagu/bufpipe v1.0.3/go.mod h1:mxdxdup/WdsKVreO5GpW4+M/1CE2sMG4jeGJ2sYmHc4=
 github.com/agext/levenshtein v1.2.1/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=