diff --git a/.github/workflows/.windows.yml b/.github/workflows/.windows.yml
index 64bf033a23..320533042a 100644
--- a/.github/workflows/.windows.yml
+++ b/.github/workflows/.windows.yml
@@ -15,7 +15,7 @@ on:
         default: false
 
 env:
-  GO_VERSION: "1.20.8"
+  GO_VERSION: "1.21.1"
   GOTESTLIST_VERSION: v0.3.1
   TESTSTAT_VERSION: v0.1.3
   WINDOWS_BASE_IMAGE: mcr.microsoft.com/windows/servercore
diff --git a/.github/workflows/buildkit.yml b/.github/workflows/buildkit.yml
index 7321001b27..bf5c18dadd 100644
--- a/.github/workflows/buildkit.yml
+++ b/.github/workflows/buildkit.yml
@@ -13,7 +13,7 @@ on:
   pull_request:
 
 env:
-  GO_VERSION: "1.20.8"
+  GO_VERSION: "1.21.1"
   DESTDIR: ./build
 
 jobs:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3777c2c91f..59d51a057c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ on:
   pull_request:
 
 env:
-  GO_VERSION: "1.20.8"
+  GO_VERSION: "1.21.1"
   GOTESTLIST_VERSION: v0.3.1
   TESTSTAT_VERSION: v0.1.3
   ITG_CLI_MATRIX_SIZE: 6
diff --git a/Dockerfile b/Dockerfile
index c4cc8289ab..51f7c40e18 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.20.8
+ARG GO_VERSION=1.21.1
 ARG BASE_DEBIAN_DISTRO="bullseye"
 ARG GOLANG_IMAGE="golang:${GO_VERSION}-${BASE_DEBIAN_DISTRO}"
 ARG XX_VERSION=1.2.1
diff --git a/Dockerfile.simple b/Dockerfile.simple
index e21a2ca384..4f5c4a5f0d 100644
--- a/Dockerfile.simple
+++ b/Dockerfile.simple
@@ -5,7 +5,7 @@
 
 # This represents the bare minimum required to build and test Docker.
 
-ARG GO_VERSION=1.20.8
+ARG GO_VERSION=1.21.1
 
 ARG BASE_DEBIAN_DISTRO="bullseye"
 ARG GOLANG_IMAGE="golang:${GO_VERSION}-${BASE_DEBIAN_DISTRO}"
diff --git a/Dockerfile.windows b/Dockerfile.windows
index 41575b2d4e..1e26603d24 100644
--- a/Dockerfile.windows
+++ b/Dockerfile.windows
@@ -161,7 +161,7 @@ FROM ${WINDOWS_BASE_IMAGE}:${WINDOWS_BASE_IMAGE_TAG}
 # Use PowerShell as the default shell
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ARG GO_VERSION=1.20.8
+ARG GO_VERSION=1.21.1
 ARG GOTESTSUM_VERSION=v1.8.2
 ARG GOWINRES_VERSION=v0.3.0
 ARG CONTAINERD_VERSION=v1.7.6
@@ -220,7 +220,7 @@ RUN `
   Download-File $location C:\gitsetup.zip; `
   `
   Write-Host INFO: Downloading go...; `
-  $dlGoVersion=$Env:GO_VERSION -replace '\.0$',''; `
+  $dlGoVersion=$Env:GO_VERSION; `
   Download-File "https://go.dev/dl/go${dlGoVersion}.windows-amd64.zip" C:\go.zip; `
   `
   Write-Host INFO: Downloading compiler 1 of 3...; `
diff --git a/hack/dockerfiles/generate-files.Dockerfile b/hack/dockerfiles/generate-files.Dockerfile
index 955cec0766..8099b7fe56 100644
--- a/hack/dockerfiles/generate-files.Dockerfile
+++ b/hack/dockerfiles/generate-files.Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION=1.20.8
+ARG GO_VERSION=1.21.1
 ARG BASE_DEBIAN_DISTRO="bullseye"
 ARG PROTOC_VERSION=3.11.4