diff --git a/changelog/29619.txt b/changelog/29619.txt
new file mode 100644
index 0000000000..05f2c42ddf
--- /dev/null
+++ b/changelog/29619.txt
@@ -0,0 +1,3 @@
+```release-note:change
+auth/kubernetes: Update plugin to v0.21.0
+```
diff --git a/go.mod b/go.mod
index 5d9b5dfbf6..a69564cabe 100644
--- a/go.mod
+++ b/go.mod
@@ -142,7 +142,7 @@ require (
 	github.com/hashicorp/vault-plugin-auth-gcp v0.20.0
 	github.com/hashicorp/vault-plugin-auth-jwt v0.23.0
 	github.com/hashicorp/vault-plugin-auth-kerberos v0.13.0
-	github.com/hashicorp/vault-plugin-auth-kubernetes v0.20.0
+	github.com/hashicorp/vault-plugin-auth-kubernetes v0.21.0
 	github.com/hashicorp/vault-plugin-auth-oci v0.17.0
 	github.com/hashicorp/vault-plugin-database-couchbase v0.13.0
 	github.com/hashicorp/vault-plugin-database-elasticsearch v0.17.0
diff --git a/go.sum b/go.sum
index fada5a3ced..8a576504b3 100644
--- a/go.sum
+++ b/go.sum
@@ -1575,8 +1575,8 @@ github.com/hashicorp/vault-plugin-auth-jwt v0.23.0 h1:LErXihivT7I8ZWB7jzQlp/IA54
 github.com/hashicorp/vault-plugin-auth-jwt v0.23.0/go.mod h1:a/PUlLU88uUe1GtUTdSDkp/0HVXM7p9CY2vcwEh7NeU=
 github.com/hashicorp/vault-plugin-auth-kerberos v0.13.0 h1:KN+nY7XJANb7IRILf0EnaCT04JI9ctiUhq/W9sgyJnk=
 github.com/hashicorp/vault-plugin-auth-kerberos v0.13.0/go.mod h1:tJ4upLp8+7xxNHBFwpXQaQQQjkwSwI4P/Hic9EKkWvQ=
-github.com/hashicorp/vault-plugin-auth-kubernetes v0.20.0 h1:C+3gSOE+M1JT/6K/CNbQXCAUAA2wFQ7IFpD9Y9IPXxU=
-github.com/hashicorp/vault-plugin-auth-kubernetes v0.20.0/go.mod h1:5//ywSXEdrni78mPcOAE+BnF8XUnbvSMCIwMvmHSbzI=
+github.com/hashicorp/vault-plugin-auth-kubernetes v0.21.0 h1:YmwthfYgEjv+2rir+DY/ADznVtHQ43qPUo6XT6I3Fxs=
+github.com/hashicorp/vault-plugin-auth-kubernetes v0.21.0/go.mod h1:V36/cDsl8tjdr8xQ35uLzvlDLclpPCOdLheAk42ks6E=
 github.com/hashicorp/vault-plugin-auth-oci v0.17.0 h1:t2PNAWSZNNm7sf+l2vK4wod0fQ4DckVZuCb3N9Dgark=
 github.com/hashicorp/vault-plugin-auth-oci v0.17.0/go.mod h1:vCuIzHclwIyL+Vk6OfIoqjOomuvPmwRUbnnxlxHCyqM=
 github.com/hashicorp/vault-plugin-database-couchbase v0.13.0 h1:ql81GB+20ggmRCS/qKnsRwvYdUYW8Dhv1uhH5lY9mns=