diff --git a/.github/workflows/pr-tests.yaml b/.github/workflows/pr-tests.yaml
index dcf5fd2..4114ece 100644
--- a/.github/workflows/pr-tests.yaml
+++ b/.github/workflows/pr-tests.yaml
@@ -72,7 +72,7 @@ jobs:
         uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: '1.21.4'
+          go-version: '1.21.5'
           cache-dependency-path: "**/go.sum"
       - name: Install `govulncheck`
         run: go install golang.org/x/vuln/cmd/govulncheck@latest
diff --git a/Dockerfile b/Dockerfile
index cddb80e..15c860f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM public.ecr.aws/eks-distro-build-tooling/golang:1.21.3-4-gcc-al2 as builder
+FROM public.ecr.aws/eks-distro-build-tooling/golang:1.21.5-6-gcc-al2 as builder
 ARG TARGETOS
 ARG TARGETARCH