diff --git a/.github/workflows/deps.yml b/.github/workflows/deps.yml
index 5386c7997..83f3ac14b 100644
--- a/.github/workflows/deps.yml
+++ b/.github/workflows/deps.yml
@@ -22,15 +22,15 @@ jobs:
       - id: govulncheck
         uses: golang/govulncheck-action@v1
         with:
-          go-version-input: 1.21.3
+          go-version-input: 1.21.4
           go-version-file: go.mod
       - id: govulncheck-tests-integration
         uses: golang/govulncheck-action@v1
         with:
-          go-version-input: 1.21.3
+          go-version-input: 1.21.4
           go-version-file: tests/integration/go.mod
       - id: govulncheck-tests-e2e
         uses: golang/govulncheck-action@v1
         with:
-          go-version-input: 1.21.3
+          go-version-input: 1.21.4
           go-version-file: tests/e2e/go.mod
diff --git a/Dockerfile b/Dockerfile
index ff67b16d9..bbf922147 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 ARG image=public.ecr.aws/eks-distro-build-tooling/eks-distro-minimal-base-nonroot:2023-02-22-1677092456.2
-ARG golang_image=public.ecr.aws/docker/library/golang:1.21.3
+ARG golang_image=public.ecr.aws/docker/library/golang:1.21.4
 
 FROM --platform=$BUILDPLATFORM $golang_image AS builder
 WORKDIR /go/src/github.com/kubernetes-sigs/aws-iam-authenticator
diff --git a/go.mod b/go.mod
index 67fc03e63..9b587168b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module sigs.k8s.io/aws-iam-authenticator
 
-go 1.19
+go 1.21
 
 require (
 	github.com/aws/aws-sdk-go v1.44.332
diff --git a/go.sum b/go.sum
index 10a5e6109..af6408c92 100644
--- a/go.sum
+++ b/go.sum
@@ -183,6 +183,7 @@ github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hf
 github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
@@ -285,7 +286,9 @@ github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWb
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/onsi/ginkgo/v2 v2.4.0 h1:+Ig9nvqgS5OBSACXNk15PLdp0U9XPYROt9CFzVdFGIs=
+github.com/onsi/ginkgo/v2 v2.4.0/go.mod h1:iHkDK1fKGcBoEHT5W7YBq4RFWaQulw+caOMkAt4OrFo=
 github.com/onsi/gomega v1.23.0 h1:/oxKu9c2HVap+F3PfKort2Hw5DEU+HGlW8n+tguWsys=
+github.com/onsi/gomega v1.23.0/go.mod h1:Z/NWtiqwBrwUt4/2loMmHL63EDLnYHmVbuBpDr2vQAg=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
@@ -365,6 +368,7 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=