diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 555e839..9b03d85 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ "1.18.x", "1.19.x", "1.20.x" ]
+        go: [ "1.19.x", "1.20.x", "1.21.x" ]
     steps:
     - uses: actions/checkout@v3
       with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ae5ba2..062055f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 Changelog for go-wavefront-management-api.
 
+## [2.1.1]
+
+- Upgrade GoLang to 1.21.2
+
 ## [2.1.0]
 
 - Dashboard object to omit chart `summarization` field when empty.
diff --git a/dashboard.go b/dashboard.go
index b2a9db3..b6897b2 100644
--- a/dashboard.go
+++ b/dashboard.go
@@ -358,7 +358,7 @@ func (d Dashboards) Delete(dashboard *Dashboard, skipTrash bool) error {
 	return nil
 }
 
-// Set Tags is used to set the tags on an existing dashboard
+// SetTags Set Tags is used to set the tags on an existing dashboard
 func (d Dashboards) SetTags(id string, tags []string) error {
 	return doRest(
 		"POST",
@@ -367,7 +367,7 @@ func (d Dashboards) SetTags(id string, tags []string) error {
 		doPayload(tags))
 }
 
-// Sets the ACL on the dashboard with the supplied list of IDs for canView and canModify
+// SetACL Sets the ACL on the dashboard with the supplied list of IDs for canView and canModify
 // an empty []string on canView will remove all values set
 // an empty []string on canModify will set the value to the owner of the token issuing the API call
 func (d Dashboards) SetACL(id string, canView, canModify []string) error {
diff --git a/go.mod b/go.mod
index 3837b31..a97688c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/WavefrontHQ/go-wavefront-management-api/v2
 
-go 1.18
+go 1.21
 
 require github.com/stretchr/testify v1.7.5
 
diff --git a/version b/version
index 7ec1d6d..7c32728 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-2.1.0
+2.1.1
\ No newline at end of file